Heap-based buffer over-read in gimp (Alpine package)



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-17786
CWE-ID CWE-126
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 gimp (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Heap-based buffer over-read

EUVDB-ID: #VU10662

Risk: Low

CVSSv4.0: 7.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2017-17786

CWE-ID: CWE-126 - Buffer over-read

Exploit availability: No

Description

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

The vulnerability exists due to heap-based buffer over-read in ReadImage in plug-ins/common/file-tga.c (related to bgr2rgb.part.1). A remote attacker can supply an unexpected bits-per-pixel value for an RGBA image and perform a denial of service attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

gimp (Alpine package): 2.8.22-r1 - 2.8.22-r2

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=488c5e412cf61e781be4787348a1b6eb109690ba
https://git.alpinelinux.org/aports/commit/?id=743b8267d51329a3a6bc07528042efa837b07ecf
https://git.alpinelinux.org/aports/commit/?id=7f6b53170f527254ed08ba040a84ec717ad878d1


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.



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