#VU33238 Out-of-bounds read in Gimp - CVE-2017-17788

Vulnerability identifier: #VU33238

Vulnerability risk: Medium

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-17788

CWE-ID: CWE-125

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Gimp
Client/Desktop applications / Multimedia software

Vendor: Gimp Team

Description

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

The vulnerability exists due to stack-based buffer over-read in xcf_load_stream in app/xcf/xcf.c when there is no '' character after the version string. A remote attacker can perform a denial of service attack.

Mitigation
Update to version 2.9.2.

Vulnerable software versions

Gimp: 2.8.22

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External links
https://www.openwall.com/lists/oss-security/2017/12/19/5
https://bugzilla.gnome.org/show_bug.cgi?id=790783
https://lists.debian.org/debian-lts-announce/2017/12/msg00023.html
https://usn.ubuntu.com/3539-1/
https://www.debian.org/security/2017/dsa-4077

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.