Vulnerability identifier: #VU33086
Vulnerability risk: Medium
CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID:
CWE-ID:
CWE-119
Exploitation vector: Network
Exploit availability: No
Description
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
Off-by-one error in the rfc822_output_char function in the RFC822BUFFER routines in the University of Washington (UW) c-client library, as used by the UW IMAP toolkit before imap-2007e and other applications, allows context-dependent attackers to cause a denial of service (crash) via an e-mail message that triggers a buffer overflow.
Mitigation
Install update from vendor's website.
External links
https://secunia.com/advisories/33275
https://secunia.com/advisories/33638
https://securitytracker.com/id?1021485
https://www.mandriva.com/security/advisories?name=MDVSA-2009:146
https://www.securityfocus.com/bid/32958
https://www.vupen.com/english/advisories/2008/3490
https://www.washington.edu/imap/documentation/RELNOTES.html
https://bugzilla.redhat.com/show_bug.cgi?id=477227
https://exchange.xforce.ibmcloud.com/vulnerabilities/47526
https://www.redhat.com/archives/fedora-package-announce/2009-January/msg00846.html
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.