Remote code execution in GIFLIB



Published: 2018-05-26 | Updated: 2023-04-25
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-11490
CWE-ID CWE-122
Exploitation vector Network
Public exploit N/A
Vulnerable software
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GIFLIB
Client/Desktop applications / Multimedia software

Vendor GIFLIB Project

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Heap-based buffer overflow

EUVDB-ID: #VU75499

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-11490

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the DGifDecompressLine function in dgif_lib.c in GIFLIB because a certain "Private->RunningCode - 2" array index is not checked. A remote attacker can trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

GIFLIB: All versions

External links

http://github.com/pts/sam2p/issues/38
http://www.securityfocus.com/bid/104327
http://usn.ubuntu.com/4107-1/
http://lists.debian.org/debian-lts-announce/2022/12/msg00008.html


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.



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