Divide By Zero Affecting exiv2 package, versions <0.25-2.1ubuntu16.04.3
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1604-EXIV2-321319
- published26 May 2017
- disclosed26 May 2017
Introduced: 26 May 2017
CVE-2017-9239 (opens in a new tab)How to fix?
Upgrade Ubuntu:16.04 exiv2 to version 0.25-2.1ubuntu16.04.3 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream exiv2 package and not the exiv2 package as distributed by Ubuntu.
See How to fix? for Ubuntu:16.04 relevant fixed versions and status.
An issue was discovered in Exiv2 0.26. When the data structure of the structure ifd is incorrect, the program assigns pValue_ to 0x0, and the value of pValue() is 0x0. TiffImageEntry::doWriteImage will use the value of pValue() to cause a segmentation fault. To exploit this vulnerability, someone must open a crafted tiff file.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-9239
- https://security-tracker.debian.org/tracker/CVE-2017-9239
- https://github.com/lolo-pop/poc/tree/master/Segmentation%20fault%20in%20convert-test%28exiv2%29
- https://github.com/lolo-pop/poc/tree/master/Segmentation%20fault%20in%20convert-test(exiv2)
- http://dev.exiv2.org/issues/1295
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00009.html
- http://www.securityfocus.com/bid/98720
- https://usn.ubuntu.com/3852-1/