vulnwire
7.5high

CVE-2018-0491in critical feed1 exploit

A use-after-free issue was discovered in Tor 0.3.2.x before 0.3.2.10.

Published 8 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
14.8%
percentile 97%
Public exploits
1
Exploit-DB

A use-after-free issue was discovered in Tor 0.3.2.x before 0.3.2.10. It allows remote attackers to cause a denial of service (relay crash) because the KIST implementation allows a channel to be added more than once in the pending list.

Exploit prediction (EPSS)

14.79% probability of exploitation in the next 30 days, higher than 97% of all scored CVEs.

Exploits and detections

  • EDB-44994 Tor Browser < 0.3.2.10 - Use After Free (PoC) · dos · 2018-07-09

CVSS scores

Assigned byVersionScoreVector
NVD3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

  • n/a Tor

Classification

Weakness

References

  • trac.torproject.org /projects/tor/ticket/24700 · x_refsource_CONFIRM, x_transferred
  • trac.torproject.org /projects/tor/ticket/25117 · x_refsource_CONFIRM, x_transferred
  • blog.torproject.org /new-stable-tor-releases-security-fixes-and-dos-prevention-03210-03110-02915 · x_refsource_CONFIRM, x_transferred
  • exploit-db.com /exploits/44994/ · exploit, x_refsource_EXPLOIT-DB, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.