Bug 1992213 (CVE-2021-37615) - CVE-2021-37615 exiv2: NULL pointer dereference in Exiv2::Internal::resolveLens0x319
Summary: CVE-2021-37615 exiv2: NULL pointer dereference in Exiv2::Internal::resolveLen...
Keywords:
Status: NEW
Alias: CVE-2021-37615
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
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Depends On: 1992214 1992215 1996176 1996177 1996178
Blocks: 1992216
TreeView+ depends on / blocked
 
Reported: 2021-08-10 18:07 UTC by Guilherme de Almeida Suckevicz
Modified: 2021-08-20 18:14 UTC (History)
4 users (show)

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Description Guilherme de Almeida Suckevicz 2021-08-10 18:07:11 UTC
Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. A null pointer dereference was found in Exiv2 versions v0.27.4 and earlier. The null pointer dereference 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 interpreted (translated) data, which is a less frequently used Exiv2 operation that requires an extra command line option (`-p t` or `-P t`). The bug is fixed in version v0.27.5.

Reference:
https://github.com/Exiv2/exiv2/security/advisories/GHSA-h9x9-4f77-336w

Upstream patch:
https://github.com/Exiv2/exiv2/pull/1758

Comment 1 Guilherme de Almeida Suckevicz 2021-08-10 18:07:30 UTC
Created exiv2 tracking bugs for this issue:

Affects: fedora-all [bug 1992214]


Created mingw-exiv2 tracking bugs for this issue:

Affects: fedora-all [bug 1992215]


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