Vulnerabilities
Misconfiguration
Runtime Security
Compliance
CVE Vulnerabilities

CVE-2022-2521

Release of Invalid Pointer or Reference

Published: Aug 31, 2022 | Modified: Feb 23, 2023
CVSS 3.x
6.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
6.5 LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Ubuntu
MEDIUM
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2022-2521
CWEhttps://cwe.mitre.org/data/definitions/763.html

It was found in libtiff 4.4.0rc1 that there is an invalid pointer free operation in TIFFClose() at tif_close.c:131 called by tiffcrop.c:2522 that can cause a program crash and denial of service while processing crafted input.

Weakness

The product attempts to return a memory resource to the system, but it calls the wrong release function or calls the appropriate release function incorrectly.

Affected Software

Name Vendor Start Version End Version
Libtiff Libtiff 4.4.0-rc1 (including) 4.4.0-rc1 (including)
Red Hat Enterprise Linux 8 RedHat libtiff-0:4.0.9-26.el8_7 *
Red Hat Enterprise Linux 9 RedHat libtiff-0:4.4.0-5.el9_1 *
Tiff Ubuntu kinetic *
Tiff Ubuntu lunar *
Tiff Ubuntu trusty *
Tiff Ubuntu xenial *

Extended Description

This weakness can take several forms, such as:

Potential Mitigations

  • Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
  • For example, glibc in Linux provides protection against free of invalid pointers.

References

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