VulnerabilityModified
CVE-2016-4809
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.
HIGH 7.5EPSS 4.77%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.77%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 4.77% probability · 91th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- redhat/enterprise linux desktop · redhat/enterprise linux hpc node · redhat/enterprise linux server · redhat/enterprise linux workstation · redhat/enterprise linux hpc node eus · redhat/enterprise linux server aus · redhat/enterprise linux server eus · oracle/linux · libarchive/libarchive
- Source
- cve@mitre.org
References
- http://rhn.redhat.com/errata/RHSA-2016-1844.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-1850.htmlThird Party Advisory
- http://www.debian.org/security/2016/dsa-3657
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlThird Party Advisory
- http://www.securityfocus.com/bid/91813Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1347084Issue Tracking
- https://github.com/libarchive/libarchive/commit/fd7e0c02Issue Tracking, Patch
- https://github.com/libarchive/libarchive/issues/705Issue Tracking, Patch
- https://security.gentoo.org/glsa/201701-03
- http://rhn.redhat.com/errata/RHSA-2016-1844.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-1850.htmlThird Party Advisory
- http://www.debian.org/security/2016/dsa-3657
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlThird Party Advisory
- http://www.securityfocus.com/bid/91813Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1347084Issue Tracking
- https://github.com/libarchive/libarchive/commit/fd7e0c02Issue Tracking, Patch
- https://github.com/libarchive/libarchive/issues/705Issue Tracking, Patch
- https://security.gentoo.org/glsa/201701-03
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.