CVE-2015-8932

MEDIUM

Description

The compress_bidder_init function in archive_read_support_filter_compress.c in libarchive before 3.2.0 allows remote attackers to cause a denial of service (crash) via a crafted tar file, which triggers an invalid left shift.

References

http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00025.html

http://rhn.redhat.com/errata/RHSA-2016-1844.html

http://rhn.redhat.com/errata/RHSA-2016-1850.html

http://www.debian.org/security/2016/dsa-3657

http://www.openwall.com/lists/oss-security/2016/06/17/2

http://www.openwall.com/lists/oss-security/2016/06/17/5

http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html

http://www.securityfocus.com/bid/91424

http://www.ubuntu.com/usn/USN-3033-1

https://blog.fuzzing-project.org/47-Many-invalid-memory-access-issues-in-libarchive.html

https://github.com/libarchive/libarchive/issues/547

https://security-tracker.debian.org/tracker/CVE-2015-8932

https://security.gentoo.org/glsa/201701-03

Details

Source: MITRE

Published: 2016-09-20

Updated: 2018-01-05

Type: CWE-20

Risk Information

CVSS v2.0

Base Score: 4.3

Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:P)

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3.0

Base Score: 5.5

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

Impact Score: 3.6

Exploitability Score: 1.8

Severity: MEDIUM