CVE-2007-4743

Publication date 6 September 2007

Last updated 17 July 2025

Ubuntu priority

Description

The original patch for CVE-2007-3999 in svc_auth_gss.c in the RPCSEC_GSS RPC library in MIT Kerberos 5 (krb5) 1.4 through 1.6.2, as used by the Kerberos administration daemon (kadmind) and other applications that use krb5, does not correctly check the buffer length in some environments and architectures, which might allow remote attackers to conduct a buffer overflow attack.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
krb5	7.04 feisty	Fixed in 1.4.4-5ubuntu3.3
	6.10 edgy	Fixed in 1.4.3-9ubuntu1.5
	6.06 LTS dapper	Fixed in 1.4.3-5ubuntu0.6
librpcsecgss	7.04 feisty	Fixed in 0.14-2ubuntu1.2
	6.10 edgy	Fixed in 0.13-2ubuntu0.2
	6.06 LTS dapper	Fixed in 0.7-0ubuntu1.2

Notes

kees

Debian package is missing mention of CVE-2007-4743 (and CVE-2007-4000)

References

Related Ubuntu Security Notices (USN)

USN-511-2
Kerberos vulnerability
7 September 2007

Other references

https://www.cve.org/CVERecord?id=CVE-2007-4743