CVE-2007-2443

Severity: high (CVSS 8.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-06-26 · updated 2026-06-16

Description

Integer signedness error in the gssrpc__svcauth_unix function in svc_auth_unix.c in the RPC library in MIT Kerberos 5 (krb5) 1.6.1 and earlier might allow remote attackers to execute arbitrary code via a negative length value.

Affected products

Canonical Ubuntu Linux: 6.06, 6.10, 7.04
Debian Linux: 3.1, 4.0
MIT Kerberos 5: through 1.6.1

References

http://docs.info.apple.com/article.html?artnum=306172
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c02257427
http://lists.apple.com/archives/security-announce//2007/Jul/msg00004.html
http://lists.grok.org.uk/pipermail/full-disclosure/2007-September/065902.html
http://osvdb.org/36597
http://secunia.com/advisories/25800
http://secunia.com/advisories/25801
http://secunia.com/advisories/25814
http://secunia.com/advisories/25821
http://secunia.com/advisories/25870
http://secunia.com/advisories/25888

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