CVE-2017-5335 Denial of service in n/a
Remote attackers can cause a denial of service via a crafted OpenPGP certificate in the GnuTLS library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-5335?
CVE-2017-5335 is a high-severity denial of service vulnerability in Gnu Gnutls, published on 24 Mar 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The stream reading functions in lib/opencdk/read-packet.c in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allow remote attackers to cause a denial of service (out-of-memory error and crash) via a crafted OpenPGP certificate.
Weakness: CWE-125
Which versions are affected by CVE-2017-5335?
It affects 2 products.
Products include Gnu Gnutls, Opensuse Leap.
How do I fix CVE-2017-5335?
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-2017-5335 being exploited?
There is no known exploitation of CVE-2017-5335 in the wild and no public exploit code.
Other vulnerabilities in Gnu Gnutls
Sources
Also known as DEBIAN-CVE-2017-5335, GHSA-3wcr-vccv-4fcx, UBUNTU-CVE-2017-5335.