CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
69.8%
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
blog.torproject.org/node/2041
gitlab.torproject.org/tpo/core/tor/-/commit/f57b5c48e0aa01acd84a194fe4657a0d1cee04cf
launchpad.net/bugs/cve/CVE-2021-34550
nvd.nist.gov/vuln/detail/CVE-2021-34550
security-tracker.debian.org/tracker/CVE-2021-34550
ubuntu.com/security/notices/USN-5036-1
www.cve.org/CVERecord?id=CVE-2021-34550
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
69.8%