SB2018092703 - Remote denial of service in HAProxy
Published: September 27, 2018
Security Bulletin ID
SB2018092703
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) Buffer over-read (CVE-ID: CVE-2018-14645)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition within the HPACK decoder in hpack_valid_idx() function. A remote attacker can send a specially specially crafted HTTP/2 request, trigger out-of-bounds read error and perform a denial of service attack.
Remediation
Install update from vendor's website.