SB2017080112 - Ubuntu update for Apache HTTP Server
Published: August 1, 2017 Updated: August 4, 2017
Security Bulletin ID
SB2017080112
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) Information disclosure (CVE-ID: CVE-2017-9788)
The vulnerability allows a remote unauthenticated attacker to obtain potentially sensitive information on the targeted system.The weakness exists due to improper initialization of the value placeholder in [Proxy-]Authorization headers of type 'Digest' before or between successive key=value assignments by mod_auth_digest. A remote attacker can provide an initial key with no '=' assignment to cause the stale value of uninitialized pool memory used by the prior request to leak.
Successful exploitation of the vulnerability results in information disclosure.
Remediation
Install update from vendor's website.