SB2018030518 - Out-of-bounds read in dovecot (Alpine package)
Published: March 5, 2018
Security Bulletin ID
SB2018030518
Severity
Medium
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) Out-of-bounds read (CVE-ID: CVE-2017-14461)
The vulnerability allows a remote authenticated attacker to obtain potentially sensitive information or cause DoS condition on the target system.
The weakness exists due to improper parsing of crafted email messages. A remote attacker can send a specially crafted email message over SMTP, trick the victim into opening it, trigger an out-of-bounds read and gain access to potentially sensitive information or cause the service to crash.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=5725c3c222d375b3272cdc3c99476cc274e0ddc9
- https://git.alpinelinux.org/aports/commit/?id=c98b313e7d98a22a3dd4c5c2e7f5bfe2d2415977
- https://git.alpinelinux.org/aports/commit/?id=2e4b8b5d4343b5c1b09013d891c93e717041f324
- https://git.alpinelinux.org/aports/commit/?id=44ec7e4406170dec0bcab3fc699115efa72fb094