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CVE-2021-37621

Status Candidate

Overview

Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. An infinite loop was found in Exiv2 versions v0.27.4 and earlier. The infinite loop is triggered when Exiv2 is used to print the metadata of a crafted image file. An attacker could potentially exploit the vulnerability to cause a denial of service, if they can trick the victim into running Exiv2 on a crafted image file. Note that this bug is only triggered when printing the image ICC profile, which is a less frequently used Exiv2 operation that requires an extra command line option (`-p C`). The bug is fixed in version v0.27.5.

Related Files

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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