CVE-2013-5172

Severity: high (CVSS 7.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-10-24 · updated 2026-06-16
Weakness: CWE-189

Description

The kernel in Apple Mac OS X before 10.9 does not properly determine the output length for SHA-2 digest function calls, which allows context-dependent attackers to cause a denial of service (panic) by triggering a digest operation, as demonstrated by an IPSec connection.

Affected products

macOS: through 10.8.5; 10.8.0, 10.8.1, 10.8.2, 10.8.3, 10.8.4, 10.8.5

References

http://lists.apple.com/archives/security-announce/2013/Oct/msg00004.html
http://lists.apple.com/archives/security-announce/2013/Oct/msg00004.html

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