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.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - 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. (CVE-2019-12493)

Note that Nessus relies on the presence of the package as reported by the vendor.

xpdf 4.02. Lots of security fixes here.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Several issues in poppler, a PDF rendering library, have been fixed.

CVE-2018-20650

A missing check for the dict data type could lead to a denial of service.

CVE-2018-21009

An integer overflow might happen in Parser::makeStream.

CVE-2019-12493

A stack-based buffer over-read by a crafted PDF file might happen in PostScriptFunction::transform because some functions mishandle tint transformation.

For Debian 8 'Jessie', these problems have been fixed in version 0.26.5-2+deb8u11.

We recommend that you upgrade your poppler packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Severity
252194	Linux Distros Unpatched Vulnerability : CVE-2019-12493	Nessus	Misc.	high
130311	Fedora 30 : 1:xpdf (2019-a457286734)	Nessus	Fedora Local Security Checks	high
130304	Fedora 31 : 1:xpdf (2019-759ba8202b)	Nessus	Fedora Local Security Checks	high
130291	Fedora 29 : 1:xpdf (2019-01da705767)	Nessus	Fedora Local Security Checks	high
129475	Debian DLA-1939-1 : poppler security update	Nessus	Debian Local Security Checks	high

Detections

Analytics

CVE-2019-12493

high

Tenable Plugins

high

high

high

high

high