Integer overflow in tiff (Alpine package)

1) Integer overflow

EUVDB-ID: #VU22615

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-2019-17546

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

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

The vulnerability exists due to integer overflow when processing RGBA images. A remote attacker can create a specially crafted RGBA image, pass it to the affected application, trigger integer 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): 4.0.1-r0 - 4.0.10-r1

CPE2.3

• cpe:2.3:o:alpine:tiff_alpine_package:4.0.10-r0:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:tiff_alpine_package:4.0.10-r1:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:tiff_alpine_package:4.0.9-r0:*:*:*:*:alpine_linux:*:

External links

http://git.alpinelinux.org/aports/commit/?id=0cb0e034871173f92fea3c60c471d5c4570db3c7
http://git.alpinelinux.org/aports/commit/?id=2ab20b2c571f30cd5618eff282cb4c2d3ab364b6
http://git.alpinelinux.org/aports/commit/?id=34a8d91d0150241d45581e22442bd62d4d0134b5
http://git.alpinelinux.org/aports/commit/?id=51217eaa516ccee4fbefda489f991be72adc6c51
http://git.alpinelinux.org/aports/commit/?id=c333ac8f99726f282897b8998a2f1fc951bcdc83

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.