CVE-2016-8689

Description

The read_Header function in archive_read_support_format_7zip.c in libarchive 3.2.1 allows remote attackers to cause a denial of service (out-of-bounds read) via multiple EmptyStream attributes in a header in a 7zip archive.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.12% Top 25%
Vendor Advisory gentoo.org Vendor Advisory opensuse.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.openwall.com/lists/oss-security/2016/10/16/11 patch mailing list third party advisory
https://github.com/libarchive/libarchive/commit/7f17c791dcfd8c0416e2cd2485b19410e47ef126 patch third party advisory issue tracking
https://lists.debian.org/debian-lts-announce/2018/11/msg00037.html mailing list
https://blogs.gentoo.org/ago/2016/09/11/libarchive-bsdtar-heap-based-buffer-overflow-in-read_header-archive_read_support_format_7zip-c/ patch third party advisory vdb entry
https://security.gentoo.org/glsa/201701-03 patch vendor advisory third party advisory vdb entry
https://bugzilla.redhat.com/show_bug.cgi?id=1377925 patch issue tracking
http://www.securityfocus.com/bid/93781 third party advisory vdb entry
http://lists.opensuse.org/opensuse-updates/2016-12/msg00027.html third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-8689?
CVE-2016-8689 has been scored as a high severity vulnerability.
How to fix CVE-2016-8689?
To fix CVE-2016-8689, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-8689 being actively exploited in the wild?
It is possible that CVE-2016-8689 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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