SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2004-1067

Off-by-one error in the mysasl_canon_user function in Cyrus IMAP Server 2.2.9 and earlier leads to a buffer overflow, which may allow remote attackers to execute arbitrary code via the username.

HIGH 10.0EPSS 5.18%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (5.18%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Off-by-one error in the mysasl_canon_user function in Cyrus IMAP Server 2.2.9 and earlier leads to a buffer overflow, which may allow remote attackers to execute arbitrary code via the username.

CVSS 2.0
10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS
5.18% probability · 92th percentile
CISA KEV
Not listed
Affected
carnegie mellon university/cyrus imap server · redhat/fedora core · ubuntu/ubuntu linux
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.