CVE-2021-28116
Published: 9 March 2021
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.
Priority
Status
Package | Release | Status |
---|---|---|
squid Launchpad, Ubuntu, Debian |
impish |
Released
(4.13-10ubuntu5)
|
jammy |
Released
(4.13-10ubuntu5)
|
|
lunar |
Released
(4.13-10ubuntu5)
|
|
upstream |
Released
(4.17)
|
|
groovy |
Ignored
(end of life)
|
|
focal |
Released
(4.10-1ubuntu1.5)
|
|
trusty |
Does not exist
|
|
xenial |
Does not exist
|
|
bionic |
Does not exist
|
|
hirsute |
Released
(4.13-1ubuntu4.2)
|
|
kinetic |
Released
(4.13-10ubuntu5)
|
|
Patches: upstream: http://www.squid-cache.org/Versions/v4/changesets/SQUID-2020_12.patch |
||
squid3 Launchpad, Ubuntu, Debian |
impish |
Does not exist
|
jammy |
Does not exist
|
|
xenial |
Needed
|
|
upstream |
Needs triage
|
|
trusty |
Does not exist
|
|
focal |
Does not exist
|
|
groovy |
Does not exist
|
|
hirsute |
Does not exist
|
|
bionic |
Released
(3.5.27-1ubuntu1.12)
|
|
kinetic |
Does not exist
|
|
lunar |
Does not exist
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 5.3 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | Low |
Integrity impact | None |
Availability impact | None |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28116
- https://www.zerodayinitiative.com/advisories/ZDI-21-157/
- http://www.squid-cache.org/Versions/
- https://github.com/squid-cache/squid/security/advisories/GHSA-rgf3-9v3p-qp82
- https://www.openwall.com/lists/oss-security/2021/10/04/1
- https://ubuntu.com/security/notices/USN-5104-1
- NVD
- Launchpad
- Debian