CVE-2016-4809

Description

The archive_read_format_cpio_read_header function in archive_read_support_format_cpio.c in libarchive before 3.2.1 allows remote attackers to cause a denial of service (application crash) via a CPIO archive with a large symlink.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 2.26% Top 20%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory gentoo.org Vendor Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/libarchive/libarchive/commit/fd7e0c02 patch issue tracking
http://rhn.redhat.com/errata/RHSA-2016-1844.html third party advisory vendor advisory
https://github.com/libarchive/libarchive/issues/705 patch issue tracking
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html third party advisory
http://www.securityfocus.com/bid/91813 third party advisory vdb entry
https://bugzilla.redhat.com/show_bug.cgi?id=1347084 issue tracking
http://rhn.redhat.com/errata/RHSA-2016-1850.html third party advisory vendor advisory
https://security.gentoo.org/glsa/201701-03 vendor advisory
http://www.debian.org/security/2016/dsa-3657 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-4809?
CVE-2016-4809 has been scored as a high severity vulnerability.
How to fix CVE-2016-4809?
To fix CVE-2016-4809, 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-2016-4809 being actively exploited in the wild?
It is possible that CVE-2016-4809 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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