PT-2014-6238 · Ruby+5 · Ruby+5

Published 2014-07-17 · Updated 2017-08-29 · CVE-2014-4975

Positive Technologies (AI Summary)

CVSS v2.0

5.0

Medium

Base vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

Name of the Vulnerable Software and Affected Versions Ruby versions 1.9.3 and earlier Ruby versions 2.x through 2.1.2

Description The issue is related to an off-by-one error in the encodes function in pack.c. This error can be triggered when using certain format string specifiers, allowing attackers to cause a denial of service, specifically a segmentation fault, via vectors that trigger a stack-based buffer overflow.

Recommendations For Ruby versions 1.9.3 and earlier, update to a version later than 1.9.3 to resolve the issue. For Ruby versions 2.x through 2.1.2, update to a version later than 2.1.2 to resolve the issue.

Fix

DoS

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

ALT-PU-2016-2061

CESA-2014_1912

CVE-2014-4975

DLA-200-1

DSA-3157-1

MGASA-2014-0472

OPENSUSE-SU-2017_1128-1

RHSA-2014:1912

RHSA-2014:1913

RHSA-2014:1914

RHSA-2014_1912

RHSA-2026:7305

RHSA-2026:7307

RHSA-2026:8838

SUSE-SU-2017:1067-1

SUSE-SU-2017_1067-1

USN-2397-1

Affected Products

Alt Linux

Centos

Red Hat

Ruby

Suse

Ubuntu

References · 47

• https://linux.oracle.com/errata/ELSA-2014-1913.html · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2017:1067-1 · Vendor Advisory
• http://debian.org/security/2015/dsa-3157 · Vendor Advisory
• http://rhn.redhat.com/errata/RHSA-2014-1912.html · Vendor Advisory
• http://mandriva.com/security/advisories?name=MDVSA-2015:129 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2014-4975 · Security Note
• https://bugs.ruby-lang.org/issues/10019 · Vendor Advisory
• http://rhn.redhat.com/errata/RHSA-2014-1913.html · Vendor Advisory
• https://ubuntu.com/security/CVE-2014-4975 · Vendor Advisory
• https://osv.dev/vulnerability/USN-2397-1 · Vendor Advisory
• http://rhn.redhat.com/errata/RHSA-2014-1914.html · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2014-0472 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2014-4975 · Security Note
• http://ubuntu.com/usn/USN-2397-1 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2014-1912.html · Vendor Advisory