Out-of-bounds read in tiff (Alpine package)

1) Out-of-bounds read

EUVDB-ID: #VU32100

Risk: Medium

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2016-10269

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error in LibTIFF 4.0.7. A remote attacker can perform a denial of service (heap-based buffer over-read) or possibly have unspecified other impact via a crafted TIFF image, related to "READ of size 512" and libtiff/tif_unix.c:340:2.

Mitigation

Install update from vendor's website.

Vulnerable software versions

tiff (Alpine package): 4.0.7-r2 - 4.0.7-r3

CPE2.3

• cpe:2.3:o:alpine:tiff_alpine_package:4.0.7-r2:*:*:*:*:alpine_linux:*:3.5
• cpe:2.3:o:alpine:tiff_alpine_package:4.0.7-r3:*:*:*:*:alpine_linux:*:3.5

External links

https://git.alpinelinux.org/aports/commit/?id=6fc5e083a79961213cb7151c39372e5dee115a45
https://git.alpinelinux.org/aports/commit/?id=ff2e7d109f90f775c735acb314bf37b0008f428c
https://git.alpinelinux.org/aports/commit/?id=a07d9f929286a0f3ccf9ea20f55c62b03f91c4c4
https://git.alpinelinux.org/aports/commit/?id=fa18ed2287bf127951d71bdf233db44b1e923739

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.