Input validation error in www.claws-mail claws-mail

1) Input validation error

EUVDB-ID: #VU43388

Risk: Medium

CVSSv3.1: 4.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:U/RC:C]

CVE-ID: CVE-2012-4507

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows remote attackers to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (NULL pointer dereference and crash) via a crafted email.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

claws-mail: 3.8.1

External links

http://lists.opensuse.org/opensuse-updates/2012-10/msg00064.html
http://www.openwall.com/lists/oss-security/2012/10/09/1
http://www.openwall.com/lists/oss-security/2012/10/09/3
http://www.openwall.com/lists/oss-security/2012/10/10/3
http://www.securityfocus.com/bid/55837
http://www.thewildbeast.co.uk/claws-mail/bugzilla/show_bug.cgi?id=2743
http://bugzilla.redhat.com/show_bug.cgi?id=862578

Q & A

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.