Modules.cpp in ZNC before 1.7.4-rc1 allows remote authenticated non-admin users to escalate privileges and execute arbitrary code by loading a module with a crafted name.

Update to 1.7.5

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Fixes CVE-2019-12816

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

Fixes CVE-2019-12816

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

The remote host is affected by the vulnerability described in GLSA-201908-15 (ZNC: Privilege escalation)

    It was discovered that ZNC&rsquo;s &ldquo;Modules.cpp&rdquo; allows remote       authenticated non-admin users to escalate privileges.
  Impact :

    A remote authenticated attacker could escalate privileges and       subsequently execute arbitrary code or conduct a Denial of Service       attack.
  Workaround :

    There is no known workaround at this time.

This update for znc to version 1.7.4 fixes the following issues :

Security issues fixed :

  - CVE-2019-12816: Fixed a remote code execution in     Modules.cpp (boo#1138572).

  - CVE-2019-9917: Fixed a denial of service on invalid     encoding (boo#1130360).

The remote Ubuntu 16.04 LTS / 18.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-4044-1 advisory.

    Fix vulnerability where an authenticated non-admin users could load a module with a crafted name, then     escalate privileges and run arbitrary code.

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

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

Mitre reports :

Modules.cpp in ZNC before 1.7.4-rc1 allows remote authenticated non-admin users to escalate privileges and execute arbitrary code by loading a module with a crafted name.

A vulnerability was discovered in the ZNC IRC bouncer which could result in remote code execution.

For Debian 8 'Jessie', this problem has been fixed in version 1.4-2+deb8u2.

We recommend that you upgrade your znc packages.

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

Two vulnerabilities were discovered in the ZNC IRC bouncer which could result in remote code execution (CVE-2019-12816 ) or denial of service via invalid encoding (CVE-2019-9917 ).

ID	Name	Product	Family	Severity
129609	Fedora 31 : znc (2019-233d9b9a5e)	Nessus	Fedora Local Security Checks	high
129603	Fedora 30 : znc (2019-0e70ef9cbb)	Nessus	Fedora Local Security Checks	high
129320	Fedora 29 : znc (2019-154930f99b)	Nessus	Fedora Local Security Checks	high
127964	GLSA-201908-15 : ZNC: Privilege escalation	Nessus	Gentoo Local Security Checks	high
126906	openSUSE Security Update : znc (openSUSE-2019-1775)	Nessus	SuSE Local Security Checks	high
126464	Ubuntu 16.04 LTS / 18.04 LTS : ZNC vulnerability (USN-4044-1)	Nessus	Ubuntu Local Security Checks	high
126138	FreeBSD : znc -- privilege escalation (6f15730d-94ea-11e9-a83e-641c67a117d8)	Nessus	FreeBSD Local Security Checks	high
126079	Debian DLA-1830-1 : znc security update	Nessus	Debian Local Security Checks	high
125929	Debian DSA-4463-1 : znc - security update	Nessus	Debian Local Security Checks	high

Detections

Analytics

CVE-2019-12816

high

Tenable Plugins

high

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