What’s Vulnerable › Vulnerabilities

CVE-2016-4302

• Severity: high (CVSS 7.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2016-09-21 · updated 2026-06-17
• Weakness: CWE-119

Description

Heap-based buffer overflow in the parse_codes function in archive_read_support_format_rar.c in libarchive before 3.2.1 allows remote attackers to execute arbitrary code via a RAR file with a zero-sized dictionary.

Affected products

• libarchive: through 3.2.0
• RedHat Enterprise Linux Desktop: 7.0
• RedHat Enterprise Linux Hpc Node: 7.0
• RedHat Enterprise Linux Hpc Node Eus: 7.2
• RedHat Enterprise Linux Server: 7.0
• RedHat Enterprise Linux Server Aus: 7.2
• RedHat Enterprise Linux Server Eus: 7.2
• RedHat Enterprise Linux Workstation: 7.0

References

• http://blog.talosintel.com/2016/06/the-poisoned-archives.html
• http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=1348444
• http://rhn.redhat.com/errata/RHSA-2016-1844.html
• http://www.debian.org/security/2016/dsa-3657
• http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
• http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
• http://www.securityfocus.com/bid/91331
• http://www.talosintel.com/reports/TALOS-2016-0154/
• https://github.com/libarchive/libarchive/commit/05caadc7eedbef471ac9610809ba683f0c698700
• https://github.com/libarchive/libarchive/issues/719
• https://security.gentoo.org/glsa/201701-03
• http://blog.talosintel.com/2016/06/the-poisoned-archives.html

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