SB2018013035 - Null pointer dereference in clamav (Alpine package)
Published: January 30, 2018
Security Bulletin ID
SB2018013035
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) Null pointer dereference (CVE-ID: CVE-2017-12380)
CWE-ID: CWE-476 - NULL Pointer Dereference
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 input validation checking mechanisms during parsing the rfc2047 function in mbox.c during certain mail parsing functions. A remote attacker can send a specially crafted email, trigger a NULL pointer dereference condition and cause the service to crash.
Remediation
Install update from vendor's website.