PT-2021-6708 · Libtiff+2 · Libtiff+2

Published 2021-09-09 · Updated 2022-09-20 · CVE-2020-19144

Positive Technologies (AI Summary)

CVSS v2.0

7.1

High

Base vector

AV:N/AC:M/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions LibTiff version 4.0.10

Description The issue is related to a buffer overflow in the TIFFmemcpy function within the tif unix.c component of the LibTiff library. This allows attackers to cause a denial of service. The vulnerability can be exploited by a remote attacker.

Recommendations For LibTiff version 4.0.10, consider disabling the TIFFmemcpy function in the tif unix.c component as a temporary workaround until a patch is available. Restrict access to the tif unix.c component to minimize the risk of exploitation. Avoid using the tif unix.c component until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

AZL-45054

BDU:2022-02067

CVE-2020-19144

DLA-2777-1

USN-5523-1

USN-5619-1

Affected Products

Libtiff

Linuxmint

Ubuntu

References · 35

• https://wiki.astralinux.ru/astra-linux-se81-bulletin-20230315SE81 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-2058 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-19144 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-19144 · Security Note
• https://ubuntu.com/security/notices/USN-5523-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-2056 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-0908 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-2057 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-0924 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-19144 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-1354 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-1355 · Vendor Advisory
• https://gitlab.com/libtiff/libtiff/-/issues/159 · Patch
• https://ubuntu.com/security/notices/USN-5619-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-19144 · Security Note