CVE-2013-4402 Denial of service in n/a
Remote attackers can cause a denial of service via infinite recursion in GnuPG's compressed packet parser by sending a crafted OpenPGP message.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2013-4402?
CVE-2013-4402 is a medium-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 28 Oct 2013. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The compressed packet parser in GnuPG 1.4.x before 1.4.15 and 2.0.x before 2.0.22 allows remote attackers to cause a denial of service (infinite recursion) via a crafted OpenPGP message.
Weakness: CWE-20
Which versions are affected by CVE-2013-4402?
It affects 2 products.
Products include Canonical Ubuntu Linux, Gnupg Gnupg.
How do I fix CVE-2013-4402?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2013-4402 being exploited?
There is no known exploitation of CVE-2013-4402 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2013-4402, GHSA-fhrq-6wcr-78q4, MGASA-2013-0303.