Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Glyphandcog | Xpdfreader | 4.01.01 |
Related Weaknesses (CWE)
References
- https://forum.xpdfreader.com/viewtopic.php?f=3&t=41806ExploitThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/09/msg00033.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://forum.xpdfreader.com/viewtopic.php?f=3&t=41806ExploitThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/09/msg00033.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
FAQ
What is CVE-2019-12493?
CVE-2019-12493 is a vulnerability with a CVSS score of 7.1 (HIGH). 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 ca...
How severe is CVE-2019-12493?
CVE-2019-12493 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-12493?
Check the references section above for vendor advisories and patch information. Affected products include: Glyphandcog Xpdfreader.