high7.5Public exploit code
CVE-2018-0491
A use-after-free issue was discovered in Tor 0.3.2.x before 0.3.2.10.
Public exploit code
Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.
- Tor Browser < 0.3.2.10 - Use After Free (PoC)2018-07-09 · dos · linux
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Torproject | Tor | from 0.3.2.0 before 0.3.2.10 |
Weakness classification
References
- NVD record
- CVE.org record
- 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/