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CVE-2021-32617 Details

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NameCVE-2021-32617
StatusCandidate
DescriptionExiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. An inefficient algorithm (quadratic complexity) was found in Exiv2 versions v0.27.3 and earlier. The inefficient algorithm 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, if they can trick the victim into running Exiv2 on a crafted image file. The bug is fixed in version v0.27.4. 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 `rm`.
ReferencesCONFIRM: https://github.com/Exiv2/exiv2/security/advisories/GHSA-w8mv-g8qq-36mj
URL: https://github.com/Exiv2/exiv2/security/advisories/GHSA-w8mv-g8qq-36mj
FEDORA:FEDORA-2021-8253c78bd7
URL: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M2BPQNJKTRIDINTVJ22QMMTIZEPHVKXK/
FEDORA:FEDORA-2021-8917c5d9d2
URL: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TZ5SGWHK64TB7ADRSVBGHEPDFN5CSOO3/
FEDORA:FEDORA-2021-bdba47348c
URL: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RQAKFIQHW2AS3AGSJM42ABOA6CWIJBGM/
FEDORA:FEDORA-2021-d1d5a0bf0f
URL: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5I3RRZUGSBIUYZ5TIHLN55PKMAWCSJ5G/
MISC: https://github.com/Exiv2/exiv2/pull/1657
URL: https://github.com/Exiv2/exiv2/pull/1657
PhaseAssigned (20210512)
VotesNone (candidate not yet proposed)
Comments


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