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Debian: DSA-3192-1 Checkpw Denial of Service Exploit Critical Alert

Hiroya Ito of GMO Pepabo, Inc. reported that checkpw, a password authentication program, has a flaw in processing account names which contain double dashes. A remote attacker can use this flaw to cause a denial of service (infinite loop). . - ------------------------------------------------------------------------- Debian Security Advisory DSA-3192-1 This email address is being protected from spambots. You need JavaScript enabled to view it. http://www.debian.org/security/ Salvatore Bonaccorso March 17, 2015 http://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : checkpw CVE ID : CVE-2015-0885 Debian Bug : 780139 Hiroya Ito of GMO Pepabo, Inc. reported that checkpw, a password authentication program, has a flaw in processing account names which contain double dashes. A remote attacker can use this flaw to cause a denial of service (infinite loop). For the stable distribution (wheezy), this problem has been fixed in version 1.02-1+deb7u1. For the upcoming stable distribution (jessie), this problem has been fixed in version 1.02-1.1. For the unstable distribution (sid), this problem has been fixed in version 1.02-1.1. We recommend that you upgrade your checkpw packages. Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it. . Debian has released an update for checkpw to fix a denial of service vulnerability identified by Hiroya Ito. Ensure you upgrade to enhance your system's security!. checkpw security update, debian advisory, authentication flaw. . Severity: Critical. LinuxSecurity.com Team

Mar 17, 2015 •Critical Debian