Improper Authentication Vulnerability in curl Package: CVE-2022-22576
Summary
ALPINE-CVE-2022-22576: An improper authentication vulnerability exists in curl 7.33.0 to and including 7.82.0 which might allow reuse OAUTH2-authenticated connections without properly making sure that the connection was authenticated with the... Affects curl versions < 7.79.1-r1. Fixed in 7.79.1-r1. How to fix ↓
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Background
curl is a widely-used command-line tool and library for transferring data with URLs. It supports various protocols including HTTP, HTTPS, FTP, and more. The package is essential for developers and system administrators for tasks such as downloading files, interacting with APIs, and managing network requests. However, certain versions of curl are vulnerable to an improper authentication issue that could compromise the security of connections using SASL-enabled protocols.
Vulnerability Detail
An improper authentication vulnerability exists in curl versions 7.33.0 to 7.82.0, which may allow the reuse of OAUTH2-authenticated connections without ensuring that the connection was authenticated with the same credentials as set for the transfer. This vulnerability affects SASL-enabled protocols such as SMTP(S), IMAP(S), POP3(S), and LDAP(S) (openldap only). If exploited, it could lead to unauthorized access to sensitive data and services.
How To Fix
Minimum fixed version
7.79.1-r1
This is the first release that contains the fix.
sudo apk add --upgrade curlTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, avoid using OAUTH2 authentication with SASL-enabled protocols until the package is updated. Ensure that connections are authenticated with the correct credentials before proceeding with any sensitive operations.
Conclusion
The improper authentication vulnerability in curl (CVE-2022-22576) poses significant risks to users relying on SASL-enabled protocols. It is crucial to update to the patched versions of curl to mitigate these risks and ensure secure data transmission.
See every vulnerability recorded for curl →
FAQ
CVE-2022-22576 is a vulnerability in the curl package that allows improper authentication, potentially leading to unauthorized access.
curl versions from 7.33.0 to 7.82.0 are affected by this vulnerability.
You can use Vulert to monitor and alert for open-source vulnerabilities in your software. Check your application against this vulnerability using the Vulert playground at Vulert Scanner.
The risks include unauthorized access to sensitive data and services, especially when using SASL-enabled protocols.
You can update curl using the command 'apk add curl=<fixed_version>' where <fixed_version> is the version that addresses the vulnerability.
References
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