Vulnerability · Published Dec 16, 2020 · Assigned by mitre

CVE-2020-29363

High 7.5

In plain English

A high-severity security flaw in the p11-kit package (AlmaLinux). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.5% (higher than 89% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.5High
Exploit odds (30 days)3.5%top 10.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

An issue was discovered in p11-kit 0.23.6 through 0.23.21. A heap-based buffer overflow has been discovered in the RPC protocol used by p11-kit server/remote commands and the client library. When the remote entity supplies a serialized byte array in a CK_ATTRIBUTE, the receiving entity may not allocate sufficient length for the buffer to store the deserialized value.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8p11-kit0.23.22-1.el8ALSA-2021:1609
AlmaLinux:8p11-kit-devel0.23.22-1.el8ALSA-2021:1609
AlmaLinux:8p11-kit-server0.23.22-1.el8ALSA-2021:1609
AlmaLinux:8p11-kit-trust0.23.22-1.el8ALSA-2021:1609
Alpine:v3.20p11-kit0.23.22-r0ALPINE-CVE-2020-29363
Alpine:v3.21p11-kit0.23.22-r0ALPINE-CVE-2020-29363
Alpine:v3.22p11-kit0.23.22-r0ALPINE-CVE-2020-29363
Alpine:v3.23p11-kit0.23.22-r0ALPINE-CVE-2020-29363
Alpine:v3.24p11-kit0.23.22-r0ALPINE-CVE-2020-29363
Debian:12p11-kit0.23.22-1DEBIAN-CVE-2020-29363
Debian:13p11-kit0.23.22-1DEBIAN-CVE-2020-29363
Debian:14p11-kit0.23.22-1DEBIAN-CVE-2020-29363
Rocky Linux:8p11-kit0:0.23.22-1.el8RLSA-2021:1609

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References