CVE-2021-34550Improper Restriction of Operations within the Bounds of a Memory Buffer in TOR

Severity
7.5HIGHNVD
EPSS
0.8%
top 25.39%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJun 29
Latest updateOct 4

Description

An issue was discovered in Tor before 0.4.6.5, aka TROVE-2021-006. The v3 onion service descriptor parsing allows out-of-bounds memory access, and a client crash, via a crafted onion service descriptor

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

NVDtorproject/tor0.4.0.00.4.4.9+3
Debiantorproject/tor< 0.4.5.9-1+3

🔴Vulnerability Details

3
GHSA
GHSA-28mq-w7hj-99g5: An issue was discovered in Tor before 02022-05-24
OSV
CVE-2021-34550: An issue was discovered in Tor before 02021-06-29
CVEList
CVE-2021-34550: An issue was discovered in Tor before 02021-06-29

📋Vendor Advisories

2
Ubuntu
Tor vulnerabilities2022-10-04
Debian
CVE-2021-34550: tor - An issue was discovered in Tor before 0.4.6.5, aka TROVE-2021-006. The v3 onion ...2021
CVE-2021-34550 — Torproject TOR vulnerability | cvebase