SB2019090315 - Reachable Assertion in varnish (Alpine package)
Published: September 3, 2019
Security Bulletin ID
SB2019090315
Severity
Low
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) Reachable Assertion (CVE-ID: CVE-2019-15892)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a reachable assertion when parsing HTTP/1 requests. A remote attacker can send specially crafted HTTP/1 requests to the affected server and trigger application restart, resulting in a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=67b7be458895eb0d8faab3d9b232ec040e11ef26
- https://git.alpinelinux.org/aports/commit/?id=2fa274fe2c593821cb7d12715f6cd77210ee6348
- https://git.alpinelinux.org/aports/commit/?id=6de195054a46f2c336e6928317843c55e74fc1f0
- https://git.alpinelinux.org/aports/commit/?id=784f03748a63ed8dec1d2de19bde5e67779d674b