CVE-2016-4300
Integer overflow in the read_SubStreamsInfo function in archive_read_support_format_7zip.c in libarchive before 3.2.1 allows remote attackers to execute arbitrary code via a 7zip file with a large number of substreams, which triggers a heap-based buffer…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.92%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Integer overflow in the read_SubStreamsInfo function in archive_read_support_format_7zip.c in libarchive before 3.2.1 allows remote attackers to execute arbitrary code via a 7zip file with a large number of substreams, which triggers a heap-based buffer overflow.
- CVSS 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 4.92% probability · 92th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- libarchive/libarchive · redhat/enterprise linux desktop · redhat/enterprise linux hpc node · redhat/enterprise linux hpc node eus · redhat/enterprise linux server · redhat/enterprise linux server aus · redhat/enterprise linux server eus · redhat/enterprise linux workstation
- Source
- cret@cert.org
References
- http://blog.talosintel.com/2016/06/the-poisoned-archives.htmlExploit, Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-1844.htmlThird Party Advisory
- 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/91326Third Party Advisory, VDB Entry
- http://www.talosintel.com/reports/TALOS-2016-0152/Exploit, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1348439Issue Tracking
- https://github.com/libarchive/libarchive/commit/e79ef306afe332faf22e9b442a2c6b59cb175573Issue Tracking, Patch, Third Party Advisory
- https://github.com/libarchive/libarchive/issues/718Issue Tracking, Patch, Third Party Advisory
- https://security-center.intel.com/advisory.aspx?intelid=INTEL-SA-00062&languageid=en-fr
- https://security.gentoo.org/glsa/201701-03
- http://blog.talosintel.com/2016/06/the-poisoned-archives.htmlExploit, Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-1844.htmlThird Party Advisory
- 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/91326Third Party Advisory, VDB Entry
- http://www.talosintel.com/reports/TALOS-2016-0152/Exploit, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1348439Issue Tracking
- https://github.com/libarchive/libarchive/commit/e79ef306afe332faf22e9b442a2c6b59cb175573Issue Tracking, Patch, Third Party Advisory
- https://github.com/libarchive/libarchive/issues/718Issue Tracking, Patch, Third Party Advisory
- https://security-center.intel.com/advisory.aspx?intelid=INTEL-SA-00062&languageid=en-fr
- https://security.gentoo.org/glsa/201701-03
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.