CVE-2006-7239 Null dereference in n/a
Remote attackers can crash GnuTLS via crafted X.509 certificates using unsupported hash algorithms, causing denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2006-7239?
CVE-2006-7239 is a medium-severity vulnerability in Gnu Gnutls, published on 24 May 2010. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-310
Which versions are affected by CVE-2006-7239?
It affects 1 product.
Linux distribution packages (10)
gnutls Red Hat:enterprise_linux:5::client | All versions | 0:1.4.1-7.el5_8.1 |
gnutls-debuginfo Red Hat:enterprise_linux:5::client | All versions | 0:1.4.1-7.el5_8.1 |
gnutls-utils Red Hat:enterprise_linux:5::client | All versions | 0:1.4.1-7.el5_8.1 |
gnutls Red Hat:enterprise_linux:5::client_workstation | All versions | 0:1.4.1-7.el5_8.1 |
gnutls-debuginfo Red Hat:enterprise_linux:5::client_workstation | All versions | 0:1.4.1-7.el5_8.1 |
gnutls-devel Red Hat:enterprise_linux:5::client_workstation | All versions | 0:1.4.1-7.el5_8.1 |
gnutls Red Hat:enterprise_linux:5::server | All versions | 0:1.4.1-7.el5_8.1 |
gnutls-debuginfo Red Hat:enterprise_linux:5::server | All versions | 0:1.4.1-7.el5_8.1 |
gnutls-devel Red Hat:enterprise_linux:5::server | All versions | 0:1.4.1-7.el5_8.1 |
gnutls-utils Red Hat:enterprise_linux:5::server | All versions | 0:1.4.1-7.el5_8.1 |
Products include Gnu Gnutls.
How do I fix CVE-2006-7239?
Upgrade to a fixed version.
Is CVE-2006-7239 being exploited?
There is no known exploitation of CVE-2006-7239 in the wild and no public exploit code.
Other vulnerabilities in Gnu Gnutls
Sources
Also known as GHSA-p7rq-x368-qjpx, RHBA-2012:0319.