Squid is a caching proxy for the Web. Prior to 7.6, due to an improper validation of syntactic correctness of input in the FTP gateway (src/clients/FtpGateway.cc), Squid is vulnerable to an out-of-bounds read: when a listing entry date in the TypeA or TypeB directory-listing formats is not followed by a filename, parsing was not restricted to the input buffer, so a trusted client accessing a misbehaving FTP server through Squid's gateway feature could read memory from random unrelated transactions. This issue is fixed in version 7.6.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
None
No disruption
CVSS Vector v3.1
Weakness Type (CWE)
Vulnerable Products 1
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Squid-Cache Squid
cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*
|
— |
7.6
|
References 5
https://github.com/squid-cache/squid/commit/865a131c7d557e68c965043d98c2eccae26…
security-advisories@github.com
https://github.com/squid-cache/squid/pull/2408
security-advisories@github.com
https://github.com/squid-cache/squid/pull/2409
security-advisories@github.com
https://github.com/squid-cache/squid/releases/tag/SQUID_7_6
security-advisories@github.com
https://github.com/squid-cache/squid/security/advisories/GHSA-8c37-pxjq-qwrg
security-advisories@github.com