SB2018071411 - Resource exhaustion in clamav (Alpine package)
Published: July 14, 2018
Security Bulletin ID
SB2018071411
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Resource exhaustion (CVE-ID: CVE-2017-16932)
CWE-ID: CWE-400 - Resource exhaustion
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/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 in parser.c function due to improper handling of certain parameter entities. A remote attacker can supply specially constructed XML data, trigger resource exhaustion 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=1e7eec478d53d671eb7faf3c64e6bfe8e540877b
- https://git.alpinelinux.org/aports/commit/?id=2437dee3d74caf1a16e8331977ec836716b5bd3c
- https://git.alpinelinux.org/aports/commit/?id=d87903ef0e2c9558f9ca6a23af7eb28438a10ccf
- https://git.alpinelinux.org/aports/commit/?id=540c3721c297fd86200a7518c76e7f8a5b51a83b
- https://git.alpinelinux.org/aports/commit/?id=90552e261c77a65b5d25b9f935af4236ea1e08c1