Improper Input Validation The advisory has been revoked - it doesn't affect any version of package tfm-rubygem-activestorage (opens in a new tab)
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-RHEL7-TFMRUBYGEMACTIVESTORAGE-5453332
- published26 Mar 2023
- disclosed18 May 2020
Introduced: 18 May 2020
CVE-2020-8165 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:7.
NVD Description
Note: Versions mentioned in the description apply only to the upstream tfm-rubygem-activestorage package and not the tfm-rubygem-activestorage package as distributed by RHEL.
A deserialization of untrusted data vulnernerability exists in rails < 5.2.4.3, rails < 6.0.3.1 that can allow an attacker to unmarshal user-provided objects in MemCacheStore and RedisCacheStore potentially resulting in an RCE.
References
- https://access.redhat.com/security/cve/CVE-2020-8165
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00031.html
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00034.html
- https://groups.google.com/g/rubyonrails-security/c/bv6fW4S0Y1c
- https://hackerone.com/reports/413388
- https://lists.debian.org/debian-lts-announce/2020/06/msg00022.html
- https://lists.debian.org/debian-lts-announce/2020/07/msg00013.html
- https://weblog.rubyonrails.org/2020/5/18/Rails-5-2-4-3-and-6-0-3-1-have-been-released/
- https://www.debian.org/security/2020/dsa-4766