Link Following Affecting rpm package, versions <4.13.0.2
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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- published20 Jul 2026
- disclosed13 Aug 2018
Introduced: 13 Aug 2018
CVE-2017-7500 (opens in a new tab)How to fix?
Upgrade Echo:latest rpm to version 4.13.0.2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream rpm package and not the rpm package as distributed by Echo.
See How to fix? for Echo:latest 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://advisory.echohq.com/cve/CVE-2017-7500
- https://www.cve.org/CVERecord?id=CVE-2017-7500
- 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