The icalproperty_new_clone function in libical 0.47 and 1.0 allows remote attackers to cause a denial of service (use-after-free) via a crafted ics file.

The remote Redhat Enterprise Linux 6 host has one or more packages installed that are affected by a vulnerability that has been acknowledged by the vendor but will not be patched.

  - libical: Segmentation fault on crafted file (CVE-2016-5823)

Note that Nessus has not tested for this issue but has instead relied on the package manager's report that the package is installed.

The remote Redhat Enterprise Linux 5 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched.

  - libical: Multiple use-after-free vulnerabilities (CVE-2016-5824)

  - The icalproperty_new_clone function in libical 0.47 and 1.0 allows remote attackers to cause a denial of     service (use-after-free) via a crafted ics file. (CVE-2016-5823)

Note that Nessus has not tested for these issues but has instead relied on the package manager's report that the package is installed.

The remote Redhat Enterprise Linux 7 host has one or more packages installed that are affected by a vulnerability that has been acknowledged by the vendor but will not be patched.

  - libical: Segmentation fault on crafted file (CVE-2016-5823)

Note that Nessus has not tested for this issue but has instead relied on the package manager's report that the package is installed.

This plugin has been deprecated as it does not adhere to established standards for this style of check.

The remote host is affected by the vulnerability described in GLSA-201904-02 (Libical: Multiple vulnerabilities)

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

    Please review the referenced CVE identifiers for details.
  Workaround :

    There is no known workaround at this time.

This update for libical fixes the following issues: Security issues fixed :

  - CVE-2016-5823: The icalproperty_new_clone function in     libical 0.47 and 1.0 allows remote attackers to cause a     denial of service (use-after-free) via a crafted ics     file. (bnc#986632)

  - CVE-2016-5824: libical 1.0 allows remote attackers to     cause a denial of service (use-after-free) via a crafted     ics file. (bsc#986639)

  - CVE-2016-5825: The icalparser_parse_string function in     libical 0.47 and 1.0 allows remote attackers to cause a     denial of service (out-of-bounds heap read) via a     crafted ics file. (bsc#986642)

  - CVE-2016-5826: The parser_get_next_char function in     libical 0.47 and 1.0 allows remote attackers to cause a     denial of service (out-of-bounds heap read) by crafting     a string to the icalparser_parse_string function.
    (bsc#986658)

  - CVE-2016-5827: The icaltime_from_string function in     libical 0.47 and 1.0 allows remote attackers to cause a     denial of service (out-of-bounds heap read) via a     crafted string to the icalparser_parse_string function.
    (bsc#986631)

  - CVE-2016-9584: libical allows remote attackers to cause     a denial of service (use-after-free) and possibly read     heap memory via a crafted ics file. (bnc#1015964) Bug     fixes :

  - libical crashes while parsing timezones (bsc#1044995)

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
199882	RHEL 6 : thunderbird (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	medium
199868	RHEL 5 : thunderbird (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	medium
199822	RHEL 7 : thunderbird (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	medium
195335	RHEL 7 : libical (Unpatched Vulnerability) (deprecated)	Nessus	Red Hat Local Security Checks	critical
195332	RHEL 5 : libical (Unpatched Vulnerability) (deprecated)	Nessus	Red Hat Local Security Checks	high
195330	RHEL 6 : libical (Unpatched Vulnerability) (deprecated)	Nessus	Red Hat Local Security Checks	critical
123576	GLSA-201904-02 : Libical: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	medium
106130	SUSE SLES11 Security Update : Recommended update for libical (SUSE-SU-2018:0119-1)	Nessus	SuSE Local Security Checks	critical

Detections

Analytics

CVE-2016-5823

medium

Tenable Plugins

medium

medium

medium

critical

high

critical

medium

critical