CVE-2017-0901
28Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendepss 29%
from disclosure to weapon4 days
Published on NVDAug 31
1st PoC+4d
exploitation probability
29%top 2% of all CVEs
observed exploitation
nono source reports it
2 public exploit(s)
RubyGems version 2.6.12 and earlier fails to validate specification names, allowing a maliciously crafted gem to potentially overwrite any file on the filesystem.
Affected products
HackerOne · RubyGemspublic PoCs found — 2✓ VexDay Proof
exploitdb✓ VexDay Proofwww.exploit-db.com/exploits/42611cve_referencewww.exploit-db.com/exploits/42611/unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
http://blog.rubygems.org/2017/08/27/2.6.13-released.htmlhttps://access.redhat.com/errata/RHSA-2017:3485https://access.redhat.com/errata/RHSA-2018:0378https://access.redhat.com/errata/RHSA-2018:0583https://access.redhat.com/errata/RHSA-2018:0585https://github.com/rubygems/rubygems/commit/ad5c0a53a86ca5b218c7976765c0365b91d22cb2https://hackerone.com/reports/243156https://lists.debian.org/debian-lts-announce/2018/07/msg00012.htmlhttps://security.gentoo.org/glsa/201710-01https://usn.ubuntu.com/3553-1/https://usn.ubuntu.com/3685-1/https://www.debian.org/security/2017/dsa-3966