Vulnerability CVE-2022-27780

Vulnerability Name:

CVE-2022-27780 (CCN-226250)

Assigned:

2022-05-11

Published:

2022-05-11

Updated:

2023-01-05

Summary:

cURL libcurl could allow a remote attacker to bypass security restrictions, caused by a flaw that wrongly accepts percent-encoded URL separators like '/' by the URL parser. By sending a specially-crafted host name in a URL, an attacker could exploit this vulnerability to bypass filters and checks for URL.

CVSS v3 Severity:

7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): High Availibility (A): None

7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)
6.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): High Availibility (A): None

CVSS v2 Severity:

5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): Partial Availibility (A): None

7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:C/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): Complete Availibility (A): None

Vulnerability Consequences:

Bypass Security

References:

Source: MITRE
Type: CNA
CVE-2022-27780

Source: CCN
Type: Project curl Security Advisory, May 11 2022
percent-encoded path separator in URL host

Source: XF
Type: UNKNOWN
curl-cve202227780-sec-bypass(226250)

Source: support@hackerone.com
Type: Exploit, Third Party Advisory
support@hackerone.com

Source: support@hackerone.com
Type: Third Party Advisory
support@hackerone.com

Source: support@hackerone.com
Type: Third Party Advisory
support@hackerone.com

Source: CCN
Type: IBM Security Bulletin 6606577 (Rational ClearCase)
Vulnerability in libcURL affect IBM Rational ClearCase ( CVE-2022-27778, CVE-2022-27779, CVE-2022-27780, CVE-2022-27782, CVE-2022-30115, CVE-2022-27774 )

Source: CCN
Type: IBM Security Bulletin 6614533 (MQ)
IBM MQ is vulnerable to issues with libcurl (CVE-2022-27780, CVE-2022-30115)

Source: CCN
Type: IBM Security Bulletin 6823211 (PowerSC)
Multiple vulnerabilities in Curl affect PowerSC

Source: CCN
Type: IBM Security Bulletin 6826101 (MaaS360 Cloud Extender)
IBM MaaS360 Cloud Extender Agent and Base Module use libcurl with multiple known vulnerabilities

Vulnerable Configuration:

Configuration CCN 1:

cpe:/a:ibm:rational_clearcase:8.0.1:*:*:*:*:*:*:*

OR cpe:/a:ibm:rational_clearcase:8.0.0:*:*:*:*:*:*:*

OR cpe:/a:ibm:rational_clearcase:9.0.1:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.opensuse.security:def:7476	P	curl-8.0.1-150400.5.23.1 on GA media (Moderate)	2023-06-12

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