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CVE-2021-37619

Status Candidate

Overview

Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. An out-of-bounds read was found in Exiv2 versions v0.27.4 and earlier. The out-of-bounds read is triggered when Exiv2 is used to write metadata into a crafted image file. An attacker could potentially exploit the vulnerability to cause a denial of service by crashing Exiv2, if they can trick the victim into running Exiv2 on a crafted image file. Note that this bug is only triggered when writing the metadata, which is a less frequently used Exiv2 operation than reading the metadata. For example, to trigger the bug in the Exiv2 command-line application, you need to add an extra command-line argument such as insert. The bug is fixed in version v0.27.5.

Related Files

Red Hat Security Advisory 2021-4173-03
Posted Nov 10, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-4173-03 - Exiv2 is a C++ library to access image metadata, supporting read and write access to the Exif, IPTC and XMP metadata, Exif MakerNote support, extract and delete methods for Exif thumbnails, classes to access Ifd, and support for various image formats. Issues addressed include buffer overflow, denial of service, information leakage, integer overflow, and out of bounds read vulnerabilities.

tags | advisory, denial of service, overflow, vulnerability
systems | linux, redhat
advisories | CVE-2021-29457, CVE-2021-29458, CVE-2021-29463, CVE-2021-29464, CVE-2021-29470, CVE-2021-29473, CVE-2021-29623, CVE-2021-31292, CVE-2021-32617, CVE-2021-3482, CVE-2021-37618, CVE-2021-37619
SHA-256 | 6bc18f1b04334341fa83bb4d00bcafc004b61ba7ac6f0f48c6a2df33a8c4fdce
Red Hat Security Advisory 2021-4319-03
Posted Nov 10, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-4319-03 - Exiv2 is a C++ library to access image metadata, supporting read and write access to the Exif, IPTC and XMP metadata, Exif MakerNote support, extract and delete methods for Exif thumbnails, classes to access Ifd, and support for various image formats. Issues addressed include buffer overflow, denial of service, integer overflow, and out of bounds read vulnerabilities.

tags | advisory, denial of service, overflow, vulnerability
systems | linux, redhat
advisories | CVE-2021-31292, CVE-2021-37618, CVE-2021-37619
SHA-256 | 2d5aaf75b2a5bd79663d6cb4cc446f8a1a1f3085c46a62d410587205c3f85f07
Ubuntu Security Notice USN-5043-1
Posted Aug 18, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5043-1 - It was discovered that Exiv2 incorrectly handled certain image files. An attacker could possibly use this issue to cause a denial of service. It was discovered that Exiv2 incorrectly handled certain image files. An attacker could possibly use this issue to cause a denial of service. These issues only affected Ubuntu 20.04 LTS and Ubuntu 21.04. Various other issues were also addressed.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2021-32815, CVE-2021-37616, CVE-2021-37619, CVE-2021-37621
SHA-256 | 3ac5d046dc916ad450b4a05daee42e21ff86c2bfbdef34c36a1944a33ecff6a2
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