CVE-2018-20098
First published: Wed Dec 12 2018(Updated: )
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: <a href="https://github.com/Exiv2/exiv2/issues/590">https://github.com/Exiv2/exiv2/issues/590</a> References: <a href="https://github.com/TeamSeri0us/pocs/tree/master/exiv2/20181206">https://github.com/TeamSeri0us/pocs/tree/master/exiv2/20181206</a>
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Exiv2 Exiv2 | =0.27-rc3 |
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Reference Links
- https://access.redhat.com/errata/RHSA-2019:2101
- https://github.com/Exiv2/exiv2/issues/590
- https://github.com/TeamSeri0us/pocs/tree/master/exiv2/20181206
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZXCEKTYF7HLM6VH2WCWO2HXTJH37MBLA/
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1660427
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1660428
- https://github.com/Exiv2/exiv2/pull/592/commits/eff0f52d0466d81beabf304e2500f3039fd90252
- https://access.redhat.com/support/policy/updates/errata/
- https://access.redhat.com/security/updates/classification/
- https://access.redhat.com/security/cve/cve-2018-20098
- https://access.redhat.com/errata/RHSA-2020:1577
- https://bugzilla.redhat.com/show_bug.cgi?id=1660425
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZXCEKTYF7HLM6VH2WCWO2HXTJH37MBLA/
Frequently Asked Questions
What is the severity of CVE-2018-20098?
The severity of CVE-2018-20098 is rated as medium with a CVSS score of 6.5.
How can I fix the heap-based buffer over-read in Exiv2::Jp2Image::encodeJp2Header vulnerability (CVE-2018-20098)?
To fix the vulnerability, it is recommended to update Exiv2 to a version beyond 0.27-RC3.
What is the CWE associated with CVE-2018-20098?
The CWE associated with CVE-2018-20098 is CWE-125.
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