Bug 1660425 (CVE-2018-20098) - CVE-2018-20098 exiv2: Heap-based buffer over-read in Exiv2::Jp2Image::encodeJp2Header resulting in a denial of service
Summary: CVE-2018-20098 exiv2: Heap-based buffer over-read in Exiv2::Jp2Image::encodeJ...
Status: NEW
Alias: CVE-2018-20098
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard: impact=low,public=20181210,reported=2...
Keywords: Security
Depends On: 1660427 1665496 1665497 1660428
Blocks: 1660429
TreeView+ depends on / blocked
 
Reported: 2018-12-18 10:11 UTC by Andrej Nemec
Modified: 2019-06-08 23:46 UTC (History)
4 users (show)

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Clone Of:
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Last Closed:


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Description Andrej Nemec 2018-12-18 10:11:02 UTC
There is a heap-based buffer over-read in Exiv2::Jp2Image::encodeJp2Header of jp2image.cpp in Exiv2 0.27-RC3. A crafted input will lead to a denial of service attack.

Upstream issue:

https://github.com/Exiv2/exiv2/issues/590

References:

https://github.com/TeamSeri0us/pocs/tree/master/exiv2/20181206

Comment 1 Andrej Nemec 2018-12-18 10:12:54 UTC
Created exiv2 tracking bugs for this issue:

Affects: fedora-all [bug 1660427]


Created mingw-exiv2 tracking bugs for this issue:

Affects: fedora-all [bug 1660428]

Comment 5 Adam Mariš 2019-01-11 15:29:53 UTC
Statement:

This issue affects the versions of exiv2 as shipped with Red Hat Enterprise Linux 6. Red Hat Enterprise Linux 6 is now in Maintenance Support 2 Phase of the support and maintenance life cycle. This has been rated as having a security impact of Low, and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.

This issue affects the versions of exiv2 as shipped with Red Hat Enterprise Linux 7. Red Hat Product Security has rated this issue as having a security impact of Low. A future update may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.


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