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Debian Security Advisory DSA 3232-1 (curl - security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Several vulnerabilities were discovered in cURL, an URL transfer library: CVE-2015-3143 NTLM-authenticated connections could be wrongly reused for requests without any credentials set, leading to HTTP requests being sent over the connection authenticated as a different user. This is similar to the issue fixed in DSA-2849-1. CVE-2015-3144 When parsing URLs with a zero-length hostname, libcurl would try to read from an invalid memory address. This could allow remote attackers to cause a denial of service (crash). This issue only affects the upcoming stable (jessie) and unstable (sid) distributions. CVE-2015-3145When parsing HTTP cookies, if the parsed cookie's path element consists of a single double-quote, libcurl would try to write to an invalid heap memory address. This could allow remote attackers to cause a denial of service (crash). This issue only affects the upcoming stable (jessie) and unstable (sid) distributions. CVE-2015-3148 When doing HTTP requests using the Negotiate authentication method along with NTLM, the connection used would not be marked as authenticated, making it possible to reuse it and send requests for one user over the connection authenticated as a different user.
Affected Software
Affected Software
curl on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For the stable distribution (wheezy), these problems have been fixed in version 7.26.0-1+wheezy13. For the upcoming stable distribution (jessie), these problems have been fixed in version 7.38.0-4+deb8u1. For the unstable distribution (sid), these problems have been fixed in version 7.42.0-1. We recommend that you upgrade your curl packages.