IBM App Connect Enterprise Certified Container update for LibTIFF

1) Out-of-bounds read

EUVDB-ID: #VU63795

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-22844

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

Exploit availability: No

Description

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

The vulnerability exists due to a boundary condition in the _TIFFmemcpy() function in tif_unix.c in certain situations involving a custom tag and 0x0200 as the second word of the DE field. A remote attacker can pass a specially crafted file and perform a denial of service attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

App Connect Enterprise Certified Container: 4.1.0 - 6.1.0

CPE2.3

• cpe:2.3:a:ibm_corporation:app_connect_enterprise_certified_container:4.1.0:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:app_connect_enterprise_certified_container:4.2.0:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:app_connect_enterprise_certified_container:5.0.0:*:*:*:*:*:*:*

External links

https://www.ibm.com/blogs/psirt/security-bulletin-ibm-app-connect-enterprise-certified-container-designerauthoring-operands-that-use-mapping-assistance-may-be-vulnerable-to-denial-of-service-due-to-cve-2022-22844/
https://www.ibm.com/support/pages/node/6843949

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.