CVE-2022-41916
Read one byte past a buffer when normalizing Unicode
Description
Heimdal is an implementation of ASN.1/DER, PKIX, and Kerberos. Versions prior to 7.7.1 are vulnerable to a denial of service vulnerability in Heimdal's PKI certificate validation library, affecting the KDC (via PKINIT) and kinit (via PKINIT), as well as any third-party applications using Heimdal's libhx509. Users should upgrade to Heimdal 7.7.1 or 7.8. There are no known workarounds for this issue.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:HAttack ComplexityHigh
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:NConfidentialityNone
I:NIntegrityNone
A:HAvailabilityHigh
Weaknesses
Affected Products
heimdal project
commercialaka heimdal
debian
oss-project·GBaka debian gnu/linux
heimdal
commercialaka heimdal security
Exploitability
No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
References
https://github.com/heimdal/heimdal/security/advisories/GHSA-mgqr-gvh6-23cx
github.com
https://lists.debian.org/debian-lts-announce/2022/11/msg00034.html
lists.debian.org
https://security.gentoo.org/glsa/202310-06
security.gentoo.org
and 2 more references View all →
News mentions
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