CVE-2018-0491

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
debianCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 92%
VendorProductVersion
torprojecttor
0.3.2.0 ≤
𝑥
< 0.3.2.10
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
tor
bullseye (security)
0.4.5.16-1
fixed
bullseye
0.4.5.16-1
fixed
stretch
not-affected
jessie
not-affected
wheezy
not-affected
bookworm
0.4.7.16-1
fixed
bookworm (security)
0.4.7.16-1
fixed
sid
0.4.8.13-2
fixed
trixie
0.4.8.13-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
tor
cosmic
not-affected
bionic
Fixed 0.3.2.10-1
released
artful
ignored
xenial
not-affected
trusty
not-affected
Common Weakness Enumeration
References
https://blog.torproject.org/new-stable-tor-releases-security-fixes-and-dos-prevention-03210-03110-02915
https://trac.torproject.org/projects/tor/ticket/24700
https://trac.torproject.org/projects/tor/ticket/25117
https://www.exploit-db.com/exploits/44994/
https://blog.torproject.org/new-stable-tor-releases-security-fixes-and-dos-prevention-03210-03110-02915
https://trac.torproject.org/projects/tor/ticket/24700
https://trac.torproject.org/projects/tor/ticket/25117
https://www.exploit-db.com/exploits/44994/