Heap-based buffer overflow in tiff (Alpine package)

1) Heap-based buffer overflow

EUVDB-ID: #VU32782

Risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2012-2088

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 in Integer signedness error in the TIFFReadDirectory function in tif_dirread.c in libtiff 3.9.4 and earlier. A remote attacker can use a negative tile depth in a tiff image to trigger 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

tiff (Alpine package): 3.9.5-r0 - 3.9.5-r1

CPE2.3

• cpe:2.3:o:alpine:tiff_alpine_package:3.9.5-r1:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:tiff_alpine_package:3.9.5-r0:*:*:*:*:alpine_linux:*:

External links

http://git.alpinelinux.org/aports/commit/?id=e36e1736da3495a6eb3b8965f08a48f17927431c
http://git.alpinelinux.org/aports/commit/?id=2d46a057da94b8b5935f9852ad57e0496fc77f09
http://git.alpinelinux.org/aports/commit/?id=802e64df68badda9cc8d71db7b4f9b63f8b48143

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.