SB2018071919 - Improper input validation in apache2 (Alpine package)
Published: July 19, 2018
Security Bulletin ID
SB2018071919
Severity
Medium
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 security vulnerability.
1) Improper input validation (CVE-ID: CVE-2018-8011)
The vulnerability allows a remote attacker to perform denial of service (DoS) attack.
The vulnerability exists due to improper filtering of input data within "mod_md" apache module when processing requests. A remote attacker can send a specially crafted HTTP request to the affected web server and trigger denial of service condition via coredumps.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=33ab47843b13d93b654662c45c924517b0d7f6f3
- https://git.alpinelinux.org/aports/commit/?id=38def58c62a70b5f2aa75a8fc493e6cf6789a84f
- https://git.alpinelinux.org/aports/commit/?id=426610a910eb000e769072b0f5e8c9daf07037a3
- https://git.alpinelinux.org/aports/commit/?id=59a11b59748d0c389571723c781e7c0507893bf5
- https://git.alpinelinux.org/aports/commit/?id=d0eedffbc4ca5e5e276ca4fa37659b64ed0284af