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Ubuntu alert USN-1634-1 (python-keyring)

From:  Marc Deslauriers <>
Subject:  [USN-1634-1] Python Keyring vulnerabilities
Date:  Tue, 20 Nov 2012 13:31:49 -0500
Message-ID:  <>
Archive-link:  Article, Thread

========================================================================== Ubuntu Security Notice USN-1634-1 November 20, 2012 python-keyring vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 12.10 - Ubuntu 12.04 LTS - Ubuntu 11.10 Summary: Several security issues were fixed in Python Keyring. Software Description: - python-keyring: store and access your passwords safely Details: Dwayne Litzenberger discovered that Python Keyring's CryptedFileKeyring file format used weak cryptography. A local attacker may use this issue to brute-force CryptedFileKeyring keyring files. This issue only affected Ubuntu 11.10 and Ubuntu 12.04 LTS. (CVE-2012-4571) It was discovered that Python Keyring created keyring files with insecure permissions. A local attacker could use this issue to access keyring files belonging to other users. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 12.10: python-keyring 0.9.2-1ubuntu0.2 python3-keyring 0.9.2-1ubuntu0.2 Ubuntu 12.04 LTS: python-keyring 0.9.2-0ubuntu0.12.04.2 python3-keyring 0.9.2-0ubuntu0.12.04.2 Ubuntu 11.10: python-keyring 0.9.2-0ubuntu0.11.10.2 In general, a standard system update will make all the necessary changes. This update uses a new upstream release, which includes additional bug fixes, and will migrate existing keyring files to the new format upon first use. References: CVE-2012-4571, Package Information: -- ubuntu-security-announce mailing list Modify settings or unsubscribe at:

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