SB2020022443 - Input validation error in squid (Alpine package)
Published: February 24, 2020
Security Bulletin ID
SB2020022443
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Input validation error (CVE-ID: CVE-2020-8449)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to insufficient validation of user-supplied input when processing HTTP requests. A remote attacker can send a specially crafted HTTP request, bypass configured security filters and gain access to certain server resources.
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