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CVE-2022-43552

MEDIUM
Published 2023-02-09T00:00:00
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CVSS Score

V3.1
5.9
/10
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2023.03.01
0.002
probability
of exploitation in the wild

There is a 0.2% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-01-25
Exploit Probability
Percentile: 0.522
Higher than 52.2% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Description

A use after free vulnerability exists in curl <7.87.0. Curl can be asked to *tunnel* virtually all protocols it supports through an HTTP proxy. HTTP proxies can (and often do) deny such tunnel operations. When getting denied to tunnel the specific protocols SMB or TELNET, curl would use a heap-allocated struct after it had been freed, in its transfer shutdown code path.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-6342-4x32-pp8v

Advisory Details

A use after free vulnerability exists in curl <7.87.0. Curl can be asked to *tunnel* virtually all protocols it supports through an HTTP proxy. HTTP proxies can (and often do) deny such tunnel operations. When getting denied to tunnel the specific protocols SMB or TELNET, curl would use a heap-allocated struct after it had been freed, in its transfer shutdown code path.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2022-43552
WEB https://hackerone.com/reports/1764858
WEB https://security.gentoo.org/glsa/202310-12
WEB https://security.netapp.com/advisory/ntap-20230214-0002
WEB https://support.apple.com/kb/HT213670
WEB http://seclists.org/fulldisclosure/2023/Mar/17

Advisory provided by GitHub Security Advisory Database. Published: February 9, 2023, Modified: March 27, 2024

References

https://hackerone.com/reports/1764858
https://security.netapp.com/advisory/ntap-20230214-0002/
https://support.apple.com/kb/HT213670
http://seclists.org/fulldisclosure/2023/Mar/17
https://security.gentoo.org/glsa/202310-12
Published: 2023-02-09T00:00:00
Last Modified: 2024-10-27T14:48:12.558Z
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