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Vulnerability · Published Mar 9, 2021 · Assigned by mitre

CVE-2021-28116

Low 3.7

In plain English

A low-severity security flaw in the libecap package (AlmaLinux). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 12.9% (higher than 96% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)3.7Low
Exploit odds (30 days)12.9%top 3.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Squid through 4.14 and 5.x through 5.0.5, in some configurations, allows information disclosure because of an out-of-bounds read in WCCP protocol data. This can be leveraged as part of a chain for remote code execution as nobody.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8libecap1.0.1-2.module_el8.6.0+2741+01592ae8ALSA-2022:1939
AlmaLinux:8libecap-devel1.0.1-2.module_el8.6.0+2741+01592ae8ALSA-2022:1939
AlmaLinux:8squid7:4.15-3.module_el8.6.0+2741+01592ae8ALSA-2022:1939
Alpine:v3.20squid5.2-r0ALPINE-CVE-2021-28116
Alpine:v3.21squid5.2-r0ALPINE-CVE-2021-28116
Alpine:v3.22squid5.2-r0ALPINE-CVE-2021-28116
Alpine:v3.23squid5.2-r0ALPINE-CVE-2021-28116
Alpine:v3.24squid5.2-r0ALPINE-CVE-2021-28116
Debian:12squid5.2-1DEBIAN-CVE-2021-28116
Debian:13squid5.2-1DEBIAN-CVE-2021-28116
Debian:14squid5.2-1DEBIAN-CVE-2021-28116
Rocky Linux:8libecap0:1.0.1-2.module+el8.4.0+404+316a0dc5RLSA-2022:1939
Rocky Linux:8squid7:4.15-3.module+el8.6.0+1044+67ab5d0a.2RLSA-2022:1939
Ubuntu:22.04:LTSsquid4.13-10ubuntu5UBUNTU-CVE-2021-28116

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References