CVE-2019-12493
First published: Fri May 31 2019(Updated: )
A stack-based buffer over-read exists in PostScriptFunction::transform in Function.cc in Xpdf 4.01.01 because GfxSeparationColorSpace and GfxDeviceNColorSpace mishandle tint transform functions. It can, for example, be triggered by sending a crafted PDF document to the pdftops tool. It might allow an attacker to cause Denial of Service or leak memory data.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Glyph & Cog XpdfReader | =4.01.01 |
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Reference Links
- https://forum.xpdfreader.com/viewtopic.php?f=3&t=41806
- https://lists.debian.org/debian-lts-announce/2019/09/msg00033.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DJJD7X3ES7ZHJUY2R3DAVCJPV23R64VK/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FWEWFUVITPA3Y6F4A5SJSROKYT7PRH7Q/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TNIJWRYTCLGV35WGIHYTMMOPEEOOTIPT/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FWEWFUVITPA3Y6F4A5SJSROKYT7PRH7Q/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TNIJWRYTCLGV35WGIHYTMMOPEEOOTIPT/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DJJD7X3ES7ZHJUY2R3DAVCJPV23R64VK/
Frequently Asked Questions
What is CVE-2019-12493?
CVE-2019-12493 is a vulnerability in Xpdf 4.01.01 that allows for a stack-based buffer over-read.
How does the vulnerability in Xpdf 4.01.01 occur?
The vulnerability occurs in PostScriptFunction::transform in Function.cc because GfxSeparationColorSpace and GfxDeviceNColorSpace mishandle tint transform functions.
What is the severity of CVE-2019-12493?
The severity of CVE-2019-12493 is high with a CVSS score of 7.1.
Which software versions are affected by CVE-2019-12493?
Xpdfreader version 4.01.01 (and possibly earlier versions) is affected by CVE-2019-12493.
How can the CVE-2019-12493 vulnerability be triggered?
The vulnerability can be triggered by sending a crafted PDF document to the pdftops tool.
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/severity
- agent/author
- agent/references
- agent/weakness
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/glyphandcog
- canonical/glyph & cog xpdfreader
- version/glyph & cog xpdfreader/4.01.01