What is the CVSS score of CVE-2012-4502?

CVE-2012-4502 has a CVSS 2.0 base score of 5.0 (Medium). CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. EPSS exploitation probability: 0.8%.

Is there a patch available for CVE-2012-4502?

Yes, a patch is available for CVE-2012-4502. Update the affected software to the latest version immediately.

Chrony CVE-2012-4502

MEDIUM

Numeric Errors (CWE-189)

2013-11-05 secalert@redhat.com

Buffer Overflow Denial Of Service Chrony

5.0

CVSS 2.0 · NVD

Severity by source

NVD PRIMARY

5.0 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Confidentiality

None

Integrity

None

Availability

Lifecycle Timeline

CVE Published

Nov 05, 2013 - 21:55 cve.org

MEDIUM 5.0

DescriptionCVE.org

Multiple integer overflows in pktlength.c in Chrony before 1.29 allow remote attackers to cause a denial of service (crash) via a crafted (1) REQ_SUBNETS_ACCESSED or (2) REQ_CLIENT_ACCESSES command request to the PKL_CommandLength function or crafted (3) RPY_SUBNETS_ACCESSED, (4) RPY_CLIENT_ACCESSES, (5) RPY_CLIENT_ACCESSES_BY_INDEX, or (6) RPY_MANUAL_LIST command reply to the PKL_ReplyLength function, which triggers an out-of-bounds read or buffer overflow. NOTE: versions 1.27 and 1.28 do not require authentication to exploit.

AnalysisAI

Technical ContextAI

This vulnerability is classified under CWE-189. Multiple integer overflows in pktlength.c in Chrony before 1.29 allow remote attackers to cause a denial of service (crash) via a crafted (1) REQ_SUBNETS_ACCESSED or (2) REQ_CLIENT_ACCESSES command request to the PKL_CommandLength function or crafted (3) RPY_SUBNETS_ACCESSED, (4) RPY_CLIENT_ACCESSES, (5) RPY_CLIENT_ACCESSES_BY_INDEX, or (6) RPY_MANUAL_LIST command reply to the PKL_ReplyLength function, which triggers an out-of-bounds read or buffer overflow. NOTE: versions 1.27 and 1.28 do not require authentication to exploit. Affected products include: Tuxfamily Chrony. Version information: before 1.29.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.