Buffer overflow in tiff (Alpine package)

Published: 2017-04-25

Risk	Low
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2017-7593
CWE-ID	CWE-119
Exploitation vector	Local
Public exploit	N/A
Vulnerable software	tiff (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) Buffer overflow

EUVDB-ID: #VU32121

Risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-7593

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a local non-authenticated attacker to gain access to sensitive information.

tif_read.c in LibTIFF 4.0.7 does not ensure that tif_rawdata is properly initialized, which might allow remote attackers to obtain sensitive information from process memory via a crafted image.

Mitigation

Install update from vendor's website.

Vulnerable software versions

tiff (Alpine package): 4.0.7-r1

CPE2.3

cpe:2.3:a:alpine:tiff_alpine_package:4.0.7-r1:*:*:*:*:alpine_linux:*:3.2

External links

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.