High severity · published Sep 21, 2016
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…
7.5
CVSS
4.8%
EPSS
No
On KEV
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 vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.8% · higher than 92% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EL
Enterprise Linux Desktop · Redhat
6.0; 7.0 · source: NVD
EL
Enterprise Linux Hpc Node · Redhat
6.0; 7.0 · source: NVD
EL
Enterprise Linux Hpc Node Eus · Redhat
7.2 · source: NVD
EL
Enterprise Linux Server · Redhat
6.0; 7.0 · source: NVD
EL
Enterprise Linux Server Aus · Redhat
7.2 · source: NVD
EL
Enterprise Linux Server Eus · Redhat
7.2 · source: NVD
EL
Enterprise Linux Workstation · Redhat
6.0; 7.0 · source: NVD
LI
Libarchive · Libarchive
through 3.2.0 · source: NVD
LI
Linux · Oracle
6; 7 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-4809
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-4809
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1844.html
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1850.html
www.debian.org
http://www.debian.org/security/2016/dsa-3657
Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
Third Party Advisory
http://www.securityfocus.com/bid/91813
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1347084
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