CVE-2019-13109: Integer Overflow
First published: Sun Jun 30 2019(Updated: )
An integer overflow in Exiv2 through 0.27.1 allows an attacker to cause a denial of service (SIGSEGV) via a crafted PNG image file, because PngImage::readMetadata mishandles a chunkLength - iccOffset subtraction.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/exiv2 | <0.27.2 | 0.27.2 |
| CentOS Dos2unix | <=0.27.1 | |
| Fedora | =30 |
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Reference Links
- https://github.com/Exiv2/exiv2/issues/790
- https://github.com/Exiv2/exiv2/pull/795
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FGBT5OD2TF4AIXJUC56WOUJRHAZLZ4DC/
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1728485
- https://github.com/Exiv2/exiv2/commit/491c3ebe3b3faa6d8f75fb28146186792c2439da
- https://github.com/Exiv2/exiv2/commit/6fa2e31206127bd8bcac0269311f3775a8d6ea21
- https://access.redhat.com/errata/RHSA-2020:1577
- https://access.redhat.com/security/cve/cve-2019-13109
- https://bugzilla.redhat.com/show_bug.cgi?id=1728484
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FGBT5OD2TF4AIXJUC56WOUJRHAZLZ4DC/
Frequently Asked Questions
What is the severity of CVE-2019-13109?
CVE-2019-13109 has a severity rating that allows for denial of service through an integer overflow, potentially leading to application crashes.
How do I fix CVE-2019-13109?
To fix CVE-2019-13109, you should upgrade Exiv2 to version 0.27.2 or later.
Which versions of Exiv2 are affected by CVE-2019-13109?
CVE-2019-13109 affects Exiv2 versions up to and including 0.27.1.
What type of vulnerability is CVE-2019-13109?
CVE-2019-13109 is classified as an integer overflow vulnerability that can be exploited via malformed PNG image files.
Can CVE-2019-13109 be exploited remotely?
Yes, CVE-2019-13109 can potentially be exploited remotely by an attacker using a crafted PNG image.
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