NULL pointer dereference in Gimp

1) NULL pointer dereference

EUVDB-ID: #VU32772

Risk: Medium

CVSSv4.0: 5.5 [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:P/U:Green]

CVE-ID: CVE-2012-3236

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: Yes

Description

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

The vulnerability exists due to a NULL pointer dereference error. A remote attacker can trigger denial of service conditions via a malformed XTENSION header of a .fit file, as demonstrated using a long string.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Gimp: 2.8.0 - 2.8.22

CPE2.3

• cpe:2.3:a:gimp_team:gimp:2.8.0:*:*:*:*:*:*:*
• cpe:2.3:a:gimp_team:gimp:2.8.2:*:*:*:*:*:*:*
• cpe:2.3:a:gimp_team:gimp:2.8.4:*:*:*:*:*:*:*

External links

https://archives.neohapsis.com/archives/bugtraq/2012-06/0192.html
https://git.gnome.org/browse/gimp/commit/plug-ins/file-fits/fits-io.c?id=ace45631595e8781a1420842582d67160097163c
https://lists.opensuse.org/opensuse-security-announce/2012-09/msg00000.html
https://www.exploit-db.com/exploits/19482
https://www.mandriva.com/security/advisories?name=MDVSA-2013:082
https://www.reactionpenetrationtesting.co.uk/FIT-file-handling-dos.html
https://www.securityfocus.com/bid/54246
https://www.ubuntu.com/usn/USN-1559-1
https://bugzilla.gnome.org/show_bug.cgi?id=676804
https://exchange.xforce.ibmcloud.com/vulnerabilities/76658

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. However, proof of concept for this vulnerability is available.