Link Following Affecting rpm-libs package, versions *
Threat Intelligence
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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Test your applications- Snyk IDSNYK-CENTOS7-RPMLIBS-1984397
- published26 Jul 2021
- disclosed3 Jul 2017
Introduced: 3 Jul 2017
CVE-2017-7500 (opens in a new tab)How to fix?
There is no fixed version for Centos:7 rpm-libs.
NVD Description
Note: Versions mentioned in the description apply only to the upstream rpm-libs package and not the rpm-libs package as distributed by Centos.
See How to fix? for Centos:7 relevant fixed versions and status.
It was found that rpm did not properly handle RPM installations when a destination path was a symbolic link to a directory, possibly changing ownership and permissions of an arbitrary directory, and RPM files being placed in an arbitrary destination. An attacker, with write access to a directory in which a subdirectory will be installed, could redirect that directory to an arbitrary location and gain root privilege.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7500
- https://github.com/rpm-software-management/rpm/commit/c815822c8bdb138066ff58c624ae83e3a12ebfa9
- https://github.com/rpm-software-management/rpm/commit/f2d3be2a8741234faaa96f5fd05fdfdc75779a79
- https://access.redhat.com/security/cve/CVE-2017-7500