CVE-2015-8923

MEDIUM

Libarchive < 3.1.901a - Improper Input Validation

Title source: rule

Description

The process_extra function in libarchive before 3.2.0 uses the size field and a signed number in an offset, which allows remote attackers to cause a denial of service (crash) via a crafted zip file.

References (11)

[Third Party Advisory] http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00025.html

[Vendor Advisory] http://rhn.redhat.com/errata/RHSA-2016-1844.html

[Third Party Advisory] http://www.openwall.com/lists/oss-security/2016/06/17/2

[Third Party Advisory] http://www.openwall.com/lists/oss-security/2016/06/17/5

[Vendor Advisory] http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/91309

[Third Party Advisory] http://www.ubuntu.com/usn/USN-3033-1

[Third Party Advisory] https://blog.fuzzing-project.org/47-Many-invalid-memory-access-issues-in-libarchive.html

[Issue Tracking] https://github.com/libarchive/libarchive/issues/514

[Third Party Advisory] http://www.debian.org/security/2016/dsa-3657

[Third Party Advisory] https://security.gentoo.org/glsa/201701-03

Scores

CVSS v3 6.5

EPSS 0.0262

EPSS Percentile 85.5%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Classification

CWE

CWE-20

Status published

Affected Products (9)

libarchive/libarchive < 3.1.901a

novell/suse_linux_enterprise_software_development_kit

novell/suse_linux_enterprise_desktop

novell/suse_linux_enterprise_server

canonical/ubuntu_linux

n/a/n/a

Timeline

Published Sep 20, 2016

Tracked Since Feb 18, 2026