openEuler update for libtiff

1) Out-of-bounds write

EUVDB-ID: #VU63329

Risk: Medium

CVSSv4.0: 4.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-0891

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing TIFF file in ExtractImageSection() function in tiffcrop.c. A remote attacker can create a specially crafted TIFF file, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 20.03 LTS SP3

libtiff-help: before 4.1.0-7

libtiff-devel: before 4.1.0-7

libtiff-debuginfo: before 4.1.0-7

libtiff-debugsource: before 4.1.0-7

libtiff: before 4.1.0-7

CPE2.3

• cpe:2.3:o:openeuler:openeuler:20.03:LTS SP1:*:*:*:*:*:*
• cpe:2.3:o:openeuler:openeuler:20.03:LTS SP2:*:*:*:*:*:*
• cpe:2.3:o:openeuler:openeuler:20.03:LTS SP3:*:*:*:*:*:*
• cpe:2.3:a:openeuler:libtiff-help:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:libtiff-devel:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:libtiff-debuginfo:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:libtiff-debugsource:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:libtiff:*:*:*:*:*:openeuler:*:*

External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1594

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.