SB2015092625 - Debian update for cyrus-imapd-2.2
Published: September 26, 2015
Security Bulletin ID
SB2015092625
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) NULL pointer dereference (CVE-ID: CVE-2011-3481)
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to a NULL pointer dereference error when handling email messages in imapd service. A remote attacker can send a specially crafted email message to victim and prevent the victim from accessing further emails, if the victim uses IMAP client, which relies on the server threading IMAP feature.
Successful exploitation of this vulnerability will prevent the victim from accessing email messages.
Remediation
Install update from vendor's website.