SB2018072434 - Stack-based buffer overflow in mutt (Alpine package)
Published: July 24, 2018
Security Bulletin ID
SB2018072434
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) Stack-based buffer overflow (CVE-ID: CVE-2018-14352)
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists due to imap_quote_string in imap/util.c does not leave room for quote characters. A remote attacker can use FETCH response with a long INTERNALDATE field, trigger stack-based buffer overflow and cause the service to crash.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=0d3886cdea880fe65aff164040ab54f9e2d5ee93
- https://git.alpinelinux.org/aports/commit/?id=7b76ef5a44a34f2aa0ab6dcbd05653a7f384d5cd
- https://git.alpinelinux.org/aports/commit/?id=8096bf545fbce05d5535cb01173187a08a4e7f14
- https://git.alpinelinux.org/aports/commit/?id=e16a7290cad51651c51b16468159e0bb5a11f234