CVE-2014-8564 Memory corruption in n/a

Medium 5.0 Published 13 Nov 2014 Updated 6 Aug 2024

Remote attackers can cause a denial of service via out-of-bounds write in GnuTLS when processing crafted ECC certificates or CSRs.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2014-8564?

CVE-2014-8564 is a medium-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 13 Nov 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The _gnutls_ecc_ansi_x963_export function in gnutls_ecc.c in GnuTLS 3.x before 3.1.28, 3.2.x before 3.2.20, and 3.3.x before 3.3.10 allows remote attackers to cause a denial of service (out-of-bounds write) via a crafted (1) Elliptic Curve Cryptography (ECC) certificate or (2) certificate signing requests (CSR), related to generating key IDs.

Weakness: CWE-310

Which versions are affected by CVE-2014-8564?

It affects 7 products.

Linux distribution packages (24)

`gnutls` Red Hat:enterprise_linux:7::client	All versions	`0:3.1.18-10.el7_0`
`gnutls-c++` Red Hat:enterprise_linux:7::client	All versions	`0:3.1.18-10.el7_0`
`gnutls-dane` Red Hat:enterprise_linux:7::client	All versions	`0:3.1.18-10.el7_0`
`gnutls-debuginfo` Red Hat:enterprise_linux:7::client	All versions	`0:3.1.18-10.el7_0`
`gnutls-devel` Red Hat:enterprise_linux:7::client	All versions	`0:3.1.18-10.el7_0`
`gnutls-utils` Red Hat:enterprise_linux:7::client	All versions	`0:3.1.18-10.el7_0`
`gnutls` Red Hat:enterprise_linux:7::computenode	All versions	`0:3.1.18-10.el7_0`
`gnutls-c++` Red Hat:enterprise_linux:7::computenode	All versions	`0:3.1.18-10.el7_0`
`gnutls-dane` Red Hat:enterprise_linux:7::computenode	All versions	`0:3.1.18-10.el7_0`
`gnutls-debuginfo` Red Hat:enterprise_linux:7::computenode	All versions	`0:3.1.18-10.el7_0`
`gnutls-devel` Red Hat:enterprise_linux:7::computenode	All versions	`0:3.1.18-10.el7_0`
`gnutls-utils` Red Hat:enterprise_linux:7::computenode	All versions	`0:3.1.18-10.el7_0`
`gnutls` Red Hat:enterprise_linux:7::server	All versions	`0:3.1.18-10.el7_0`
`gnutls-c++` Red Hat:enterprise_linux:7::server	All versions	`0:3.1.18-10.el7_0`
`gnutls-dane` Red Hat:enterprise_linux:7::server	All versions	`0:3.1.18-10.el7_0`
`gnutls-debuginfo` Red Hat:enterprise_linux:7::server	All versions	`0:3.1.18-10.el7_0`
`gnutls-devel` Red Hat:enterprise_linux:7::server	All versions	`0:3.1.18-10.el7_0`
`gnutls-utils` Red Hat:enterprise_linux:7::server	All versions	`0:3.1.18-10.el7_0`
`gnutls` Red Hat:enterprise_linux:7::workstation	All versions	`0:3.1.18-10.el7_0`
`gnutls-c++` Red Hat:enterprise_linux:7::workstation	All versions	`0:3.1.18-10.el7_0`
`gnutls-dane` Red Hat:enterprise_linux:7::workstation	All versions	`0:3.1.18-10.el7_0`
`gnutls-debuginfo` Red Hat:enterprise_linux:7::workstation	All versions	`0:3.1.18-10.el7_0`
`gnutls-devel` Red Hat:enterprise_linux:7::workstation	All versions	`0:3.1.18-10.el7_0`
`gnutls-utils` Red Hat:enterprise_linux:7::workstation	All versions	`0:3.1.18-10.el7_0`

Products include Canonical Ubuntu Linux, Gnu Gnutls, Opensuse Opensuse, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Hpc Node, Redhat Enterprise Linux Server and 1 more.

How do I fix CVE-2014-8564?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2014-8564 being exploited?

There is no known exploitation of CVE-2014-8564 in the wild and no public exploit code.

All Canonical Ubuntu Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2014-8564, GHSA-rp47-7r25-f53m, MGASA-2014-0458, RHSA-2014:1846.