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CVE-2022-27781

Good to know:

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Date: May 31, 2022

libcurl provides the `CURLOPT_CERTINFO` option to allow applications torequest details to be returned about a server's certificate chain.Due to an erroneous function, a malicious server could make libcurl built withNSS get stuck in a never-ending busy-loop when trying to retrieve thatinformation.

Language: C

Severity Score

Related Resources (11)

https://security.alpinelinux.org/vuln/CVE-2022-27781
https://hackerone.com/reports/1555441
https://security-tracker.debian.org/tracker/CVE-2022-27781
https://lists.debian.org/debian-lts-announce/2022/08/msg00017.html
https://security.gentoo.org/glsa/202212-01
https://nvd.nist.gov/vuln/detail/CVE-2022-27781
https://people.canonical.com/~ubuntu-security/cve/CVE-2022-27781
https://www.debian.org/security/2022/dsa-5197
https://security.netapp.com/advisory/ntap-20220609-0009/
https://access.redhat.com/security/cve/CVE-2022-27781
https://www.mend.io/vulnerability-database/CVE-2022-27781

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption ('Resource Exhaustion')

CWE-400

Loop with Unreachable Exit Condition ('Infinite Loop')

CWE-835

Top Fix

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Upgrade to version curl-7_83_1

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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