SB2020090321 - Infinite loop in firefox-esr (Alpine package)
Published: September 3, 2020
Security Bulletin ID
SB2020090321
CSH 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 vulnerability.
1) Infinite loop (CVE-ID: CVE-2017-13767)
CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to infinite loop in the MSDP 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.