The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learningUpgrade RHEL:8
cups-filters-libs
to version 0:1.20.0-24.el8_4.1 or higher.
This issue was patched in RHSA-2023:3427
.
Note: Versions mentioned in the description apply only to the upstream cups-filters-libs
package and not the cups-filters-libs
package as distributed by RHEL
.
See How to fix?
for RHEL:8
relevant fixed versions and status.
cups-filters contains backends, filters, and other software required to get the cups printing service working on operating systems other than macos. If you use the Backend Error Handler (beh) to create an accessible network printer, this security vulnerability can cause remote code execution. beh.c
contains the line retval = system(cmdline) >> 8;
which calls the system
command with the operand cmdline
. cmdline
contains multiple user controlled, unsanitized values. As a result an attacker with network access to the hosted print server can exploit this vulnerability to inject system commands which are executed in the context of the running server. This issue has been addressed in commit 8f2740357
and is expected to be bundled in the next release. Users are advised to upgrade when possible and to restrict access to network printers in the meantime.