SB2017102316 - Buffer over-read in wireshark (Alpine package)
Published: October 23, 2017
Security Bulletin ID
SB2017102316
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 security vulnerability.
1) Buffer over-read (CVE-ID: CVE-2017-13765)
The vulnerability allows a remote attacker to cause DoS condition on the target system.The weakness exists due to buffer over-read in the IrCOMM dissector. A remote attacker can inject a malformed packet onto the wire, trigger Wireshark to consume excessive CPU resources and cause the application to crash.
Successful exploitation of the vulnerability results in denial of service.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=172c0bd3e6c3e2b6dab46dae04008d430f0d44a5
- https://git.alpinelinux.org/aports/commit/?id=e01525f73e0d680e446b5cd1850220629d310c02
- https://git.alpinelinux.org/aports/commit/?id=7b82312acce4259459d23ed5cdf2d83b7187aab6
- https://git.alpinelinux.org/aports/commit/?id=2bb9ce2b3f960a3b8bfd71bda6a5998bdfa56f6c