CVE-2017-18185: Integer Overflow
First published: Tue Feb 13 2018(Updated: )
An issue was discovered in QPDF before 7.0.0. There is a large heap-based out-of-bounds read in the Pl_Buffer::write function in Pl_Buffer.cc. It is caused by an integer overflow in the PNG filter.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| ubuntu/qpdf | <8.0.2-3~14.04.1 | 8.0.2-3~14.04.1 |
| ubuntu/qpdf | <7.0.0-1 | 7.0.0-1 |
| ubuntu/qpdf | <8.0.2-3~16.04.1 | 8.0.2-3~16.04.1 |
| debian/qpdf | 10.1.0-1 11.3.0-1+deb12u1 11.9.1-1 | |
| qpdf | <7.0.0 |
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Reference Links
- https://github.com/qpdf/qpdf/commit/ec7d74a386c0b2f38990079c3b0d2a2b30be0e71
- https://github.com/qpdf/qpdf/issues/150
- https://usn.ubuntu.com/3638-1/
- https://launchpad.net/bugs/cve/CVE-2017-18185
- https://security-tracker.debian.org/tracker/CVE-2017-18185
- https://ubuntu.com/security/notices/USN-3638-1
- https://www.cve.org/CVERecord?id=CVE-2017-18185
- https://nvd.nist.gov/vuln/detail/CVE-2017-18185
- https://github.com/qpdf/qpdf/commit/6d46346eb93d5032c08cf1e39023b5d57260a766
- https://github.com/qpdf/qpdf/commit/1868a10f8b06631362618bfc85ca8646da4b4b71
- https://ubuntu.com/security/CVE-2017-18185
Frequently Asked Questions
What is the severity of CVE-2017-18185?
CVE-2017-18185 has been classified as a high severity vulnerability due to its large heap-based out-of-bounds read potential.
How do I fix CVE-2017-18185?
To fix CVE-2017-18185, update QPDF to version 7.0.0 or later, or to specific secure versions like 8.0.2-3~14.04.1 for Ubuntu.
What software is affected by CVE-2017-18185?
CVE-2017-18185 affects QPDF versions prior to 7.0.0.
What type of vulnerability is CVE-2017-18185?
CVE-2017-18185 is a heap-based out-of-bounds read vulnerability caused by an integer overflow in the PNG filter.
What should I do if I cannot update to a fixed version for CVE-2017-18185?
If you cannot update, you should apply security best practices and mitigate potential exploits by restricting access to the vulnerable software.
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