Vulnerability · Published Jul 17, 2022 · Assigned by mitre
CVE-2021-46784
Medium 6.5
In plain English
A medium-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 5.1% (higher than 92% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)5.1%top 7.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
In Squid 3.x through 3.5.28, 4.x through 4.17, and 5.x before 5.6, due to improper buffer management, a Denial of Service can occur when processing long Gopher server responses.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | libecap | 1.0.1-2.module_el8.6.0+2741+01592ae8 | ALSA-2022:5526 |
| AlmaLinux:8 | libecap-devel | 1.0.1-2.module_el8.6.0+2741+01592ae8 | ALSA-2022:5526 |
| AlmaLinux:8 | squid | 7:4.15-3.module_el8.6.0+3010+383bc947.1 | ALSA-2022:5526 |
| AlmaLinux:9 | squid | 7:5.2-1.el9_0.1 | ALSA-2022:5527 |
| Debian:12 | squid | 5.6-1 | DEBIAN-CVE-2021-46784 |
| Debian:13 | squid | 5.6-1 | DEBIAN-CVE-2021-46784 |
| Debian:14 | squid | 5.6-1 | DEBIAN-CVE-2021-46784 |
| Rocky Linux:8 | libecap | 0:1.0.1-2.module+el8.4.0+404+316a0dc5 | RLSA-2022:5526 |
| Rocky Linux:8 | squid | 7:4.15-3.module+el8.6.0+1044+67ab5d0a.2 | RLSA-2022:5526 |
| Ubuntu:22.04:LTS | squid | 5.2-1ubuntu4.1 | USN-5491-1 |
| Ubuntu:22.04:LTS | squid | 5.2-1ubuntu4.1 | UBUNTU-CVE-2021-46784 |
Affected products (as reported)
References
- https://github.com/squid-cache/squid/commit/5e2ea2b13bd98f53e29964ca26bb0d602a8a12b9
- http://www.squid-cache.org/Versions/v4/changesets/SQUID-2021_7.patch
- http://www.squid-cache.org/Versions/v5/changesets/SQUID-2021_7.patch
- https://github.com/squid-cache/squid/security/advisories/GHSA-f5cp-6rh3-284w
- https://security-tracker.debian.org/tracker/CVE-2021-46784
- https://security.netapp.com/advisory/ntap-20221223-0007/
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