CVE-2020-15572 — Out-of-bounds Read in TOR

CWE-125 — Out-of-bounds ReadCWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer5 documents5 sources
Severity
7.5HIGHNVD
EPSS
0.5%
top 33.78%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Torproject TOR
Timeline
PublishedJul 15
Latest updateMay 24

Description

Tor before 0.4.3.6 has an out-of-bounds memory access that allows a remote denial-of-service (crash) attack against Tor instances built to use Mozilla Network Security Services (NSS), aka TROVE-2020-001.

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/tor< 0.3.5.11+4
▶Debiantorproject/tor< 0.4.3.6-1+3

🔴Vulnerability Details

3
GHSA
GHSA-cfp9-244f-h66c: Tor before 0↗2022-05-24
▶
OSV
CVE-2020-15572: Tor before 0↗2020-07-15
▶
CVEList
CVE-2020-15572: Tor before 0↗2020-07-15
▶

📋Vendor Advisories

1
Debian
CVE-2020-15572: tor - Tor before 0.4.3.6 has an out-of-bounds memory access that allows a remote denia...↗2020
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CVE-2020-15572 — Out-of-bounds Read in Torproject TOR | cvebase