CVE-2021-29623 Detail

Current Description

Exiv2 is a C++ library and a command-line utility to read, write, delete and modify Exif, IPTC, XMP and ICC image metadata. A read of uninitialized memory was found in Exiv2 versions v0.27.3 and earlier. Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. The read of uninitialized memory is triggered when Exiv2 is used to read the metadata of a crafted image file. An attacker could potentially exploit the vulnerability to leak a few bytes of stack memory, if they can trick the victim into running Exiv2 on a crafted image file. The bug is fixed in version v0.27.4.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  3.3 LOW
Vector:  CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Nist CVSS score does not match with CNA score
CNA:  GitHub, Inc.
Base Score:  3.6 LOW
Vector:  CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: It is possible that the NVD CVSS may not match that of the CNA. The most common reason for this is that publicly available information does not provide sufficient detail or that information simply was not available at the time the CVSS vector string was assigned.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://github.com/Exiv2/exiv2/pull/1627 Patch  Third Party Advisory 
https://github.com/Exiv2/exiv2/security/advisories/GHSA-6253-qjwm-3q4v Patch  Third Party Advisory 
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5I3RRZUGSBIUYZ5TIHLN55PKMAWCSJ5G/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M2BPQNJKTRIDINTVJ22QMMTIZEPHVKXK/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RQAKFIQHW2AS3AGSJM42ABOA6CWIJBGM/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TZ5SGWHK64TB7ADRSVBGHEPDFN5CSOO3/

Weakness Enumeration

CWE-ID CWE Name Source
CWE-908 Use of Uninitialized Resource cwe source acceptance level NIST   Provider acceptance level GitHub, Inc.  

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Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-29623
NVD Published Date:
05/13/2021
NVD Last Modified:
06/09/2021
Source:
GitHub, Inc.