SB2020022442 - Out-of-bounds read in squid (Alpine package)
Published: February 24, 2020
Security Bulletin ID
SB2020022442
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 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2019-12528)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition when translating FTP server listing into HTTP responses. A remote attacker can trick the victim into vising a specially crafted FTP server, trigger out-of-bounds read and gain access to memory contents of the heap.
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