#VU33065 Heap-based buffer overflow in libarchive - CVE-2016-1541
Vulnerability identifier: #VU33065
Vulnerability risk: High
CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID:
CWE-ID:
CWE-122
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
libarchive
Client/Desktop applications /
Software for archiving
Vendor: libarchive
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in Heap-based buffer overflow in the zip_read_mac_metadata function in archive_read_support_format_zip.c in libarchive before 3.2.0. A remote attacker can use crafted entry-size values in a ZIP archive. to trigger heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Mitigation
Update to version 3.2.0.
Vulnerable software versions
libarchive: 3.0.0 - 3.1.901
External links
https://lists.opensuse.org/opensuse-updates/2016-06/msg00003.html
https://lists.opensuse.org/opensuse-updates/2016-06/msg00090.html
https://rhn.redhat.com/errata/RHSA-2016-1844.html
https://www.debian.org/security/2016/dsa-3574
https://www.kb.cert.org/vuls/id/862384
https://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
https://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
https://www.securityfocus.com/bid/89355
https://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.352685
https://www.ubuntu.com/usn/USN-2981-1
https://github.com/libarchive/libarchive/commit/d0331e8e5b05b475f20b1f3101fe1ad772d7e7e7
https://github.com/libarchive/libarchive/issues/656
https://security.gentoo.org/glsa/201701-03
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
