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CVE-2006-7239

Publication date 24 May 2010

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

The _gnutls_x509_oid2mac_algorithm function in lib/gnutls_algorithms.c in GnuTLS before 1.4.2 allows remote attackers to cause a denial of service (crash) via a crafted X.509 certificate that uses a hash algorithm that is not supported by GnuTLS, which triggers a NULL pointer dereference.

Read the notes from the security team

Status

Package Ubuntu Release Status
gnutls11 10.04 LTS lucid Not in release
9.10 karmic Not in release
9.04 jaunty Not in release
8.04 LTS hardy Not in release
6.06 LTS dapper
Not affected
gnutls12 10.04 LTS lucid Not in release
9.10 karmic Not in release
9.04 jaunty Not in release
8.04 LTS hardy Not in release
6.06 LTS dapper
Fixed 1.2.9-2ubuntu1.8
gnutls13 10.04 LTS lucid Not in release
9.10 karmic Not in release
9.04 jaunty Not in release
8.04 LTS hardy
Not affected
6.06 LTS dapper Not in release
gnutls26 10.04 LTS lucid
Not affected
9.10 karmic
Not affected
9.04 jaunty
Not affected
8.04 LTS hardy Not in release
6.06 LTS dapper Not in release

Notes

jdstrand

gnutls11 doesn't have the affected code: _gnutls_x509_oid2mac_algorithm located in lib/x509/common.c which compares to #defines from x509.h, not a pointer Hardy (gnutls13) and higher already have the corrected code

References

Related Ubuntu Security Notices (USN)

Other references