SB2020022444 - Buffer overflow in squid (Alpine package)
Published: February 24, 2020
Security Bulletin ID
SB2020022444
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2020-8450)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing HTTP requests, when Squid is acting as a reverse proxy. A remote attacker can send a specially crafted HTTP request to the affected proxy server, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=a03c8d1518674fd14946096bb8a7db67ad565315
- https://git.alpinelinux.org/aports/commit/?id=cca1978fca0677250ca84f4bdcb86b395a64b6e9
- https://git.alpinelinux.org/aports/commit/?id=3db264c1978654cc19d61a5feaf1b0ee54e0a85b
- https://git.alpinelinux.org/aports/commit/?id=04e707dce3ab5d71feecb123c8bbffd3b2b42985
- https://git.alpinelinux.org/aports/commit/?id=a4301166888c0e2c8a72be8e5d3ec1747a6ab6bf