A condor security update has been released for Debian GNU/Linux 9 LTS to address an access control issue.

DLA 2724-1: condor security update

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Debian LTS Advisory DLA-2724-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Markus Koschany
August 01, 2021   https://wiki.debian.org/LTS
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Package : condor
Version : 8.4.11~dfsg.1-1+deb9u1
CVE ID : CVE-2019-18823
Debian Bug : 963777

HTCondor, a distributed workload management system, has Incorrect Access
Control. It is possible to use a different authentication method to submit a
job than the administrator has specified. If the administrator has configured
the READ or WRITE methods to include CLAIMTOBE, then it is possible to
impersonate another user to the condor_schedd, for example to submit or remove
jobs.

For Debian 9 stretch, this problem has been fixed in version
8.4.11~dfsg.1-1+deb9u1.

We recommend that you upgrade your condor packages.

For the detailed security status of condor please refer to
its security tracker page at:
  https://security-tracker.debian.org/tracker/condor

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at:   https://wiki.debian.org/LTS