Improper input validation in tiff (Alpine package)

1) Improper input validation

EUVDB-ID: #VU11494

Risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-11613

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in the TIFFOpen function due to improper checking of td_imagelength during the TIFFOpen process. A remote attacker can cause the service to crash.

Mitigation

Install update from vendor's website.

Vulnerable software versions

tiff (Alpine package): 4.0.8-r0 - 4.0.9-r5

CPE2.3

• cpe:2.3:a:alpine:tiff_alpine_package:4.0.8-r0:*:*:*:*:alpine_linux:*:3.2
• cpe:2.3:a:alpine:tiff_alpine_package:4.0.9-r0:*:*:*:*:alpine_linux:*:3.2
• cpe:2.3:a:alpine:tiff_alpine_package:4.0.9-r4:*:*:*:*:alpine_linux:*:3.4

External links

https://git.alpinelinux.org/aports/commit/?id=6659caf6913d6dd6651a2f723184dbca1d72f499
https://git.alpinelinux.org/aports/commit/?id=a384f1f9b968fcff0bbab9758dec1ae69e738b29
https://git.alpinelinux.org/aports/commit/?id=a7f6a9958c48146e719ecc1f6e2c38812af75c4b
https://git.alpinelinux.org/aports/commit/?id=c1c8c5a78a149b9954517df485d61e66a73a93a4
https://git.alpinelinux.org/aports/commit/?id=dc9b38d5feecbb2fcf0dd40261d5a5e958792b2b

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.