CVE-2017-9239: Divide by Zero
First published: Fri May 26 2017(Updated: )
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.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Exiv2 Exiv2 | =0.26 | |
| Canonical Ubuntu Linux | =14.04 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =18.04 | |
| Canonical Ubuntu Linux | =18.10 | |
| ubuntu/exiv2 | <0.23-1ubuntu2.2 | 0.23-1ubuntu2.2 |
| ubuntu/exiv2 | <0.25-3.1 | 0.25-3.1 |
| ubuntu/exiv2 | <0.25-2.1ubuntu16.04.3 | 0.25-2.1ubuntu16.04.3 |
| debian/exiv2 | 0.27.3-3+deb11u2 0.27.3-3+deb11u1 0.27.6-1 |
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Reference Links
- http://dev.exiv2.org/issues/1295
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00009.html
- http://www.securityfocus.com/bid/98720
- https://github.com/lolo-pop/poc/tree/master/Segmentation%20fault%20in%20convert-test(exiv2)
- https://usn.ubuntu.com/3852-1/
- https://github.com/lolo-pop/poc/tree/master/Segmentation%20fault%20in%20convert-test%28exiv2%29
- https://launchpad.net/bugs/cve/CVE-2017-9239
- http://dev.exiv2.org/issues/1296
- https://github.com/Exiv2/exiv2/commit/2f8681e120d277e418941c4361c83b5028f67fd8
- https://security-tracker.debian.org/tracker/CVE-2017-9239
- https://ubuntu.com/security/notices/USN-3852-1
- https://www.cve.org/CVERecord?id=CVE-2017-9239
- https://nvd.nist.gov/vuln/detail/CVE-2017-9239
- https://ubuntu.com/security/CVE-2017-9239
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