CVE-2020-29362 Memory corruption in n/a
A heap-based buffer over-read in p11-kit allows attackers to read up to 4 bytes of memory past the allocation via RPC calls.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-29362?
CVE-2020-29362 is a medium-severity memory corruption vulnerability in n/a, published on 16 Dec 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in p11-kit 0.21.1 through 0.23.21. A heap-based buffer over-read has been discovered in the RPC protocol used by thep11-kit server/remote commands and the client library. When the remote entity supplies a byte array through a serialized PKCS#11 function call, the receiving entity may allow the reading of up to 4 bytes of memory past the heap allocation.
Weakness: CWE-125
Which versions are affected by CVE-2020-29362?
It affects 1 product.
Linux distribution packages (9)
p11-kit SUSE:Linux Enterprise Micro 5.1 | All versions | 0.23.2-150000.4.16.1 |
p11-kit SUSE:Linux Enterprise Micro 5.2 | All versions | 0.23.2-150000.4.16.1 |
p11-kit SUSE:Linux Enterprise Module for Basesystem 15 SP3 | All versions | 0.23.2-150000.4.16.1 |
p11-kit SUSE:Linux Enterprise Module for Package Hub 15 SP3 | All versions | 0.23.2-150000.4.16.1 |
p11-kit SUSE:Linux Enterprise Server 12 SP5 | All versions | 0.23.2-8.10.1 |
p11-kit SUSE:Linux Enterprise Server for SAP Applications 12 SP5 | All versions | 0.23.2-8.10.1 |
p11-kit SUSE:Linux Enterprise Software Development Kit 12 SP5 | All versions | 0.23.2-8.10.1 |
p11-kit openSUSE:Leap 15.3 | All versions | 0.23.2-150000.4.16.1 |
p11-kit openSUSE:Leap Micro 5.2 | All versions | 0.23.2-150000.4.16.1 |
Products include P11-Kit Project P11-Kit.
How do I fix CVE-2020-29362?
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-2020-29362 being exploited?
There is no known exploitation of CVE-2020-29362 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as ALPINE-CVE-2020-29362, DEBIAN-CVE-2020-29362, GHSA-5wpq-43j2-6qwc, SUSE-SU-2022:2405-1, SUSE-SU-2022:2405-2, SUSE-SU-2022:2871-1 and 1 more.