A code execution vulnerability exists in the WebSocket functionality of Webkit WebKitGTK 2.30.0. A specially crafted web page can trigger a use-after-free vulnerability which can lead to remote code execution. An attacker can get a user to visit a webpage to trigger this vulnerability.

The remote NewStart CGSL host, running version MAIN 6.02, has webkit2gtk3 packages installed that are affected by multiple vulnerabilities:

  - A code execution vulnerability exists in the WebSocket functionality of Webkit WebKitGTK 2.30.0. A     specially crafted web page can trigger a use-after-free vulnerability which can lead to remote code     execution. An attacker can get a user to visit a webpage to trigger this vulnerability. (CVE-2020-13543)

  - An exploitable use-after-free vulnerability exists in WebKitGTK browser version 2.30.1 x64. A specially     crafted HTML web page can cause a use-after-free condition, resulting in a remote code execution. The     victim needs to visit a malicious web site to trigger this vulnerability. (CVE-2020-13584)

  - A type confusion issue was addressed with improved memory handling. This issue is fixed in Safari 14.0.
    Processing maliciously crafted web content may lead to arbitrary code execution. (CVE-2020-9948)

  - A use after free issue was addressed with improved memory management. This issue is fixed in Safari 14.0.
    Processing maliciously crafted web content may lead to arbitrary code execution. (CVE-2020-9951)

  - An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in Safari     14.0. Processing maliciously crafted web content may lead to code execution. (CVE-2020-9983)

  - A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Big     Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing maliciously crafted web content may     lead to arbitrary code execution. (CVE-2021-1817)

  - A memory initialization issue was addressed with improved memory handling. This issue is fixed in macOS     Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing maliciously crafted web content     may result in the disclosure of process memory. (CVE-2021-1820)

  - An input validation issue was addressed with improved input validation. This issue is fixed in iTunes     12.11.3 for Windows, iCloud for Windows 12.3, macOS Big Sur 11.3, Safari 14.1, watchOS 7.4, tvOS 14.5, iOS     14.5 and iPadOS 14.5. Processing maliciously crafted web content may lead to a cross site scripting     attack. (CVE-2021-1825)

  - A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.3, iOS     14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing maliciously crafted web content may lead to     universal cross site scripting. (CVE-2021-1826)

  - A use after free issue was addressed with improved memory management. This issue is fixed in Safari 14.1,     iOS 12.5.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. Processing maliciously     crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may     have been actively exploited.. (CVE-2021-30661)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2021:1586 advisory.

  - A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Big     Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing maliciously crafted web content may     lead to arbitrary code execution. (CVE-2021-1817)

  - A memory initialization issue was addressed with improved memory handling. This issue is fixed in macOS     Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing maliciously crafted web content     may result in the disclosure of process memory. (CVE-2021-1820)

  - An input validation issue was addressed with improved input validation. This issue is fixed in iTunes     12.11.3 for Windows, iCloud for Windows 12.3, macOS Big Sur 11.3, Safari 14.1, watchOS 7.4, tvOS 14.5, iOS     14.5 and iPadOS 14.5. Processing maliciously crafted web content may lead to a cross site scripting     attack. (CVE-2021-1825)

  - A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.3, iOS     14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing maliciously crafted web content may lead to     universal cross site scripting. (CVE-2021-1826)

  - A use after free issue was addressed with improved memory management. This issue is fixed in Safari 14.1,     iOS 12.5.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. Processing maliciously     crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may     have been actively exploited.. (CVE-2021-30661)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2021:1586 advisory.

  - The keyfile settings backend in GNOME GLib (aka glib2.0) before 2.60.0 creates directories using     g_file_make_directory_with_parents (kfsb->dir, NULL, NULL) and files using g_file_replace_contents     (kfsb->file, contents, length, NULL, FALSE, G_FILE_CREATE_REPLACE_DESTINATION, NULL, NULL, NULL).
    Consequently, it does not properly restrict directory (and file) permissions. Instead, for directories,     0777 permissions are used; for files, default file permissions are used. This is similar to     CVE-2019-12450. (CVE-2019-13012)

  - A type confusion issue was addressed with improved memory handling. This issue is fixed in Safari 14.0.
    Processing maliciously crafted web content may lead to arbitrary code execution. (CVE-2020-9948)

  - A use after free issue was addressed with improved memory management. This issue is fixed in Safari 14.0.
    Processing maliciously crafted web content may lead to arbitrary code execution. (CVE-2020-9951)

  - An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in Safari     14.0. Processing maliciously crafted web content may lead to code execution. (CVE-2020-9983)

  - A code execution vulnerability exists in the WebSocket functionality of Webkit WebKitGTK 2.30.0. A     specially crafted web page can trigger a use-after-free vulnerability which can lead to remote code     execution. An attacker can get a user to visit a webpage to trigger this vulnerability. (CVE-2020-13543)

  - An exploitable use-after-free vulnerability exists in WebKitGTK browser version 2.30.1 x64. A specially     crafted HTML web page can cause a use-after-free condition, resulting in a remote code execution. The     victim needs to visit a malicious web site to trigger this vulnerability. (CVE-2020-13584)

  - gdm3 versions before 3.36.2 or 3.38.2 would start gnome-initial-setup if gdm3 can't contact the     accountservice service via dbus in a timely manner; on Ubuntu (and potentially derivatives) this could be     be chained with an additional issue that could allow a local user to create a new privileged account.
    (CVE-2020-16125)

  - A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Big     Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing maliciously crafted web content may     lead to arbitrary code execution. (CVE-2021-1817)

  - A memory initialization issue was addressed with improved memory handling. This issue is fixed in macOS     Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing maliciously crafted web content     may result in the disclosure of process memory. (CVE-2021-1820)

  - An input validation issue was addressed with improved input validation. This issue is fixed in iTunes     12.11.3 for Windows, iCloud for Windows 12.3, macOS Big Sur 11.3, Safari 14.1, watchOS 7.4, tvOS 14.5, iOS     14.5 and iPadOS 14.5. Processing maliciously crafted web content may lead to a cross site scripting     attack. (CVE-2021-1825)

  - A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.3, iOS     14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing maliciously crafted web content may lead to     universal cross site scripting. (CVE-2021-1826)

  - A use after free issue was addressed with improved memory management. This issue is fixed in Safari 14.1,     iOS 12.5.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. Processing maliciously     crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may     have been actively exploited.. (CVE-2021-30661)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLED12 / SLES12 / SLES_SAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:1990-1 advisory.

  - A code execution vulnerability exists in the WebSocket functionality of Webkit WebKitGTK 2.30.0. A     specially crafted web page can trigger a use-after-free vulnerability which can lead to remote code     execution. An attacker can get a user to visit a webpage to trigger this vulnerability. (CVE-2020-13543)

  - A code execution vulnerability exists in the AudioSourceProviderGStreamer functionality of Webkit     WebKitGTK 2.30.1. A specially crafted web page can lead to a use after free. (CVE-2020-13558)

  - An exploitable use-after-free vulnerability exists in WebKitGTK browser version 2.30.1 x64. A specially     crafted HTML web page can cause a use-after-free condition, resulting in a remote code execution. The     victim needs to visit a malicious web site to trigger this vulnerability. (CVE-2020-13584)

  - A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur     11.0.1, watchOS 7.1, iOS 14.2 and iPadOS 14.2, iCloud for Windows 11.5, Safari 14.0.1, tvOS 14.2, iTunes     12.11 for Windows. Processing maliciously crafted web content may lead to arbitrary code execution.
    (CVE-2020-27918)

  - Clear History and Website Data did not clear the history. The issue was addressed with improved data     deletion. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update     2020-007 Mojave, iOS 14.3 and iPadOS 14.3, tvOS 14.3. A user may be unable to fully delete browsing     history. (CVE-2020-29623)

  - A use after free issue was addressed with improved memory management. This issue is fixed in watchOS 7.0,     iOS 14.0 and iPadOS 14.0, iTunes for Windows 12.10.9, iCloud for Windows 11.5, tvOS 14.0, Safari 14.0.
    Processing maliciously crafted web content may lead to arbitrary code execution. (CVE-2020-9947)

  - A type confusion issue was addressed with improved memory handling. This issue is fixed in Safari 14.0.
    Processing maliciously crafted web content may lead to arbitrary code execution. (CVE-2020-9948)

  - A use after free issue was addressed with improved memory management. This issue is fixed in Safari 14.0.
    Processing maliciously crafted web content may lead to arbitrary code execution. (CVE-2020-9951)

  - An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in Safari     14.0. Processing maliciously crafted web content may lead to code execution. (CVE-2020-9983)

  - This issue was addressed with improved iframe sandbox enforcement. This issue is fixed in macOS Big Sur     11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave. Maliciously crafted web content     may violate iframe sandboxing policy. (CVE-2021-1765)

  - A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur     11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.4, watchOS 7.3, iOS 14.4     and iPadOS 14.4, Safari 14.0.3. Processing maliciously crafted web content may lead to arbitrary code     execution. (CVE-2021-1788)

  - A type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur     11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.4, watchOS 7.3, iOS 14.4     and iPadOS 14.4, Safari 14.0.3. Processing maliciously crafted web content may lead to arbitrary code     execution. (CVE-2021-1789)

  - A port redirection issue was addressed with additional port validation. This issue is fixed in macOS Big     Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.4, watchOS 7.3, iOS     14.4 and iPadOS 14.4, Safari 14.0.3. A malicious website may be able to access restricted ports on     arbitrary servers. (CVE-2021-1799)

  - This issue was addressed with improved iframe sandbox enforcement. This issue is fixed in macOS Big Sur     11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4     and iPadOS 14.4. Maliciously crafted web content may violate iframe sandboxing policy. (CVE-2021-1801)

  - A memory corruption issue was addressed with improved validation. This issue is fixed in iOS 14.4.1 and     iPadOS 14.4.1, Safari 14.0.3 (v. 14610.4.3.1.7 and 15610.4.3.1.7), watchOS 7.3.2, macOS Big Sur 11.2.3.
    Processing maliciously crafted web content may lead to arbitrary code execution. (CVE-2021-1844)

  - A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.2,     Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. A remote     attacker may be able to cause arbitrary code execution. Apple is aware of a report that this issue may     have been actively exploited.. (CVE-2021-1870, CVE-2021-1871)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-1586 advisory.

    - Fix CVE-2019-13012       Resolves: #1728632

    glibmm24

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2021:1586 advisory.

  - glib2: insecure permissions for files and directories (CVE-2019-13012)

  - webkitgtk: use-after-free may lead to arbitrary code execution (CVE-2020-13543, CVE-2020-13584,     CVE-2020-9951)

  - webkitgtk: type confusion may lead to arbitrary code execution (CVE-2020-9948)

  - webkitgtk: out-of-bounds write may lead to code execution (CVE-2020-9983)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:1586 advisory.

    GNOME is the default desktop environment of Red Hat Enterprise Linux.

    The following packages have been upgraded to a later upstream version: accountsservice (0.6.55),     webkit2gtk3 (2.30.4). (BZ#1846376, BZ#1883304)

    Security Fix(es):

    * webkitgtk: type confusion may lead to arbitrary code execution (CVE-2020-9948)

    * webkitgtk: use-after-free may lead to arbitrary code execution (CVE-2020-9951)

    * webkitgtk: out-of-bounds write may lead to code execution (CVE-2020-9983)

    * webkitgtk: use-after-free may lead to arbitrary code execution (CVE-2020-13543)

    * webkitgtk: use-after-free may lead to arbitrary code execution (CVE-2020-13584)

    * glib2: insecure permissions for files and directories (CVE-2019-13012)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Additional Changes:

    For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.4 Release Notes     linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

This update for webkit2gtk3 fixes the following issues :

-webkit2gtk3 was updated to version 2.30.3 (bsc#1179122 bsc#1179451) :

  - CVE-2021-13543: Fixed a use after free which could have     led to arbitrary code execution.

  - CVE-2021-13584: Fixed a use after free which could have     led to arbitrary code execution.

  - CVE-2021-9948: Fixed a type confusion which could have     led to arbitrary code execution.

  - CVE-2021-9951: Fixed a use after free which could have     led to arbitrary code execution.

  - CVE-2021-9983: Fixed an out of bounds write which could     have led to arbitrary code execution.

  - Have the libwebkit2gtk package require     libjavascriptcoregtk of the same version (bsc#1171531).

  - Enable c_loop on aarch64: currently needed for     compilation to succeed with JIT disabled. Also disable     sampling profiler, since it conflicts with c_loop     (bsc#1177087).

This update was imported from the SUSE:SLE-15:Update update project.

This update for webkit2gtk3 fixes the following issues :

-webkit2gtk3 was updated to version 2.30.3 (bsc#1179122 bsc#1179451) :

  - CVE-2021-13543: Fixed a use after free which could have     led to arbitrary code execution.

  - CVE-2021-13584: Fixed a use after free which could have     led to arbitrary code execution.

  - CVE-2021-9948: Fixed a type confusion which could have     led to arbitrary code execution.

  - CVE-2021-9951: Fixed a use after free which could have     led to arbitrary code execution.

  - CVE-2021-9983: Fixed an out of bounds write which could     have led to arbitrary code execution.

  - Have the libwebkit2gtk package require     libjavascriptcoregtk of the same version (bsc#1171531).

  - Enable c_loop on aarch64: currently needed for     compilation to succeed with JIT disabled. Also disable     sampling profiler, since it conflicts with c_loop     (bsc#1177087).

This update was imported from the SUSE:SLE-15-SP2:Update update project.

The remote host is affected by the vulnerability described in GLSA-202012-10 (WebkitGTK+: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in WebKitGTK+. Please       review the CVE identifiers referenced below for details.
  Impact :

    An attacker, by enticing a user to visit maliciously crafted web       content, may be able to execute arbitrary code or cause memory       corruption.
  Workaround :

    There is no known workaround at this time.

This update for webkit2gtk3 fixes the following issues :

-webkit2gtk3 was updated to version 2.30.3 (bsc#1179122 bsc#1179451) :

  - CVE-2021-13543: Fixed a use after free which could have     led to arbitrary code execution.

  - CVE-2021-13584: Fixed a use after free which could have     led to arbitrary code execution.

  - CVE-2021-9948: Fixed a type confusion which could have     led to arbitrary code execution.

  - CVE-2021-9951: Fixed a use after free which could have     led to arbitrary code execution.

  - CVE-2021-9983: Fixed an out of bounds write which could     have led to arbitrary code execution.

  - Have the libwebkit2gtk package require     libjavascriptcoregtk of the same version (bsc#1171531).

  - Enable c_loop on aarch64: currently needed for     compilation to succeed with JIT disabled. Also disable     sampling profiler, since it conflicts with c_loop     (bsc#1177087).

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Severity
160755	NewStart CGSL MAIN 6.02 : webkit2gtk3 Multiple Vulnerabilities (NS-SA-2022-0048)	Nessus	NewStart CGSL Local Security Checks	high
157789	Rocky Linux 8 : GNOME (RLSA-2021:1586)	Nessus	Rocky Linux Local Security Checks	high
157668	AlmaLinux 8 : GNOME (ALSA-2021:1586)	Nessus	Alma Linux Local Security Checks	high
150913	SUSE SLED12 / SLES12 Security Update : webkit2gtk3 (SUSE-SU-2021:1990-1)	Nessus	SuSE Local Security Checks	critical
149947	Oracle Linux 8 : GNOME (ELSA-2021-1586)	Nessus	Oracle Linux Local Security Checks	high
149741	CentOS 8 : GNOME (CESA-2021:1586)	Nessus	CentOS Local Security Checks	high
149698	RHEL 8 : GNOME (RHSA-2021:1586)	Nessus	Red Hat Local Security Checks	high
145374	openSUSE Security Update : webkit2gtk3 (openSUSE-2020-2304)	Nessus	SuSE Local Security Checks	high
145331	openSUSE Security Update : webkit2gtk3 (openSUSE-2020-2310)	Nessus	SuSE Local Security Checks	high
144597	GLSA-202012-10 : WebkitGTK+: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	high
144432	SUSE SLED15 / SLES15 Security Update : webkit2gtk3 (SUSE-SU-2020:3867-1)	Nessus	SuSE Local Security Checks	high
144427	SUSE SLED15 / SLES15 Security Update : webkit2gtk3 (SUSE-SU-2020:3864-1)	Nessus	SuSE Local Security Checks	high

Detections

Analytics

CVE-2020-13543

high

Tenable Plugins

high

high

high

critical

high

high

high

high

high

high

high

high