CVE-2017-7869 Memory corruption in n/a
An out-of-bounds write in GnuTLS allows attackers to execute arbitrary code or cause denial of service via crafted packets.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-7869?
CVE-2017-7869 is a high-severity memory corruption vulnerability in Gnu Gnutls, published on 14 Apr 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
GnuTLS before 2017-02-20 has an out-of-bounds write caused by an integer overflow and heap-based buffer overflow related to the cdk_pkt_read function in opencdk/read-packet.c. This issue (which is a subset of the vendor's GNUTLS-SA-2017-3 report) is fixed in 3.5.10.
Weakness: CWE-787
Which versions are affected by CVE-2017-7869?
It affects 1 product.
Products include Gnu Gnutls.
How do I fix CVE-2017-7869?
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-2017-7869 being exploited?
There is no known exploitation of CVE-2017-7869 in the wild and no public exploit code.
Other vulnerabilities in Gnu Gnutls
Sources
Also known as DEBIAN-CVE-2017-7869, GHSA-8cj2-6v9c-5x8f, UBUNTU-CVE-2017-7869.