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CVE-2021-29457 Details

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NameCVE-2021-29457
StatusCandidate
DescriptionExiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. A heap buffer overflow was found in Exiv2 versions v0.27.3 and earlier. The heap overflow is triggered when Exiv2 is used to write metadata into a crafted image file. An attacker could potentially exploit the vulnerability to gain code execution, 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 v0.27.4.
ReferencesCONFIRM: https://github.com/Exiv2/exiv2/security/advisories/GHSA-v74w-h496-cgqm
URL: https://github.com/Exiv2/exiv2/security/advisories/GHSA-v74w-h496-cgqm
FEDORA:FEDORA-2021-10d7331a31
URL: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2XQT5F5IINTDYDAFGVGQZ7PMMLG7I5ZZ/
FEDORA:FEDORA-2021-be94728b95
URL: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/P2A5GMJEXQ5Q76JK6F6VKK5JYCLVFGKN/
MISC: https://github.com/Exiv2/exiv2/issues/1529
URL: https://github.com/Exiv2/exiv2/issues/1529
MISC: https://github.com/Exiv2/exiv2/pull/1534
URL: https://github.com/Exiv2/exiv2/pull/1534
PhaseAssigned (20210330)
VotesNone (candidate not yet proposed)
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