SB2017102320 - Improper input validation in weechat (Alpine package)
Published: October 23, 2017
Security Bulletin ID
SB2017102320
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper input validation (CVE-ID: CVE-2017-14727)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to crash the affected messaging client.
The vulnerability exists due to an error when processing Date/time conversion specifiers in logger.c file (logger plugin) during log file creation. A remote attacker can send a specially crafted message and crash the affected client.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=3fb2fc4015bfd428e88e89710c3dd89db7d42b82
- https://git.alpinelinux.org/aports/commit/?id=e0d9cb9d6eeb3d5b4e27c091209acedef80f1d9a
- https://git.alpinelinux.org/aports/commit/?id=691f67170e02f0f5f18fb9ccc8ad18eb90708984
- https://git.alpinelinux.org/aports/commit/?id=56fabe44397f08a0ad88d7e81749d8c91c89b4b2
- https://git.alpinelinux.org/aports/commit/?id=c2dd3795830f7685e453b8cb1aa1c83a8cfa2068
- https://git.alpinelinux.org/aports/commit/?id=60130a2d59c271a35c9fd39dc703cea09b674f35
- https://git.alpinelinux.org/aports/commit/?id=b57c7764e5e29c3067e38b4b7effa1bd9568fbbb