Debian update for tiff

Published: 2021-03-14

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2020-35523 CVE-2020-35524
CWE-ID	CWE-190 CWE-119
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	tiff (Debian package) Operating systems & Components / Operating system package or component
Vendor	Debian

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Integer overflow

EUVDB-ID: #VU51445

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-35523

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 within the the tif_getimage.c file in libtiff. A remote attacker can pass specially crafted file to the application, trigger an integer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update tiff package to version 4.1.0+git191117-2~deb10u2.

Vulnerable software versions

tiff (Debian package): 4.1.0+git191117 - 4.1.0-1

CPE2.3

External links

https://www.debian.org/security/2021/dsa-4869

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.

2) Buffer overflow

EUVDB-ID: #VU51446