PT-2015-7842 · Libarchive+5 · Libarchive+5

Hannob · Published 2015-12-31 · Updated 2018-01-05 · CVE-2015-8931

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions libarchive versions prior to 3.2.0

Description The issue is related to multiple integer overflows in the get time t max and get time t min functions in archive read support format mtree.c. This can be triggered by a crafted mtree file, leading to undefined behavior. The estimated number of potentially affected devices and details about real-world incidents are not specified.

Recommendations For versions prior to 3.2.0, update to version 3.2.0 or later to resolve the issue. As a temporary workaround, consider restricting the use of the get time t max and get time t min functions in archive read support format mtree.c until a patch is available.

Exploit

Fix

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

ALT-PU-2016-1654

CESA-2016_1844

CVE-2015-8931

DLA-554-1

DSA-3657-1

OPENSUSE-SU-2016_2036-1

RHSA-2016:1844

RHSA-2016_1844

SUSE-SU-2016:1909-1

USN-3033-1

Affected Products

Alt Linux

Centos

Red Hat

Suse

Ubuntu

Libarchive

References · 83

• 🔥 https://github.com/libarchive/libarchive/issues/539 · Exploit
• https://ubuntu.com/security/CVE-2015-8920 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2015-8931 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2015-8931 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2015-8931 · Vendor Advisory
• https://ubuntu.com/security/CVE-2015-8925 · Vendor Advisory
• https://ubuntu.com/security/CVE-2015-8928 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2016-1844.html · Vendor Advisory
• https://ubuntu.com/security/CVE-2015-8924 · Vendor Advisory
• http://ubuntu.com/usn/USN-3033-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2015-8921 · Vendor Advisory
• https://ubuntu.com/security/CVE-2015-8922 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2015-8931 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2016:1909-1 · Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00025.html · Vendor Advisory