Scientific Linux Security Update : krb5 on SL3.x, SL4.x, SL5.x i386/x86_64

A NULL pointer dereference flaw was discovered in the MIT Kerberos Generic Security Service Application Program Interface GSS-API library. A remote, authenticated attacker could use this flaw to crash any server application using the GSS-API authentication mechanism, by sending a specially crafte...

Scientific Linux Security Update : krb5 on SL5.x i386/x86_64

Tenable Network Security discovered a stack-based buffer overflow flaw in the RPC library used by kadmind. A remote unauthenticated attacker who can access kadmind could trigger this flaw and cause kadmind to crash. On Red Hat Enterprise Linux 5 it is not possible to exploit this flaw to run...

Scientific Linux Security Update : krb5 on SL6.x i386/x86_64

An invalid free flaw was found in the password-changing capability of the MIT Kerberos administration daemon, kadmind. A remote, unauthenticated attacker could use this flaw to cause kadmind to abort via a specially crafted request. CVE-2011-0285 After installing the updated packages, the kadmind...

Scientific Linux Security Update : krb5 on SL3.x i386/x86_64

An input validation flaw was found in the ASN.1 Abstract Syntax Notation One decoder used by MIT Kerberos. A remote attacker could use this flaw to crash a network service using the MIT Kerberos library, such as kadmind or krb5kdc, by causing it to dereference or free an uninitialized pointer or,...

Scientific Linux Security Update : krb5 on SL4.x, SL5.x i386/x86_64

Kerberos is a network authentication system which allows clients and servers to authenticate to each other using symmetric encryption and a trusted third- party, the Key Distribution Center KDC. A buffer overflow flaw was found in the MIT krb5 telnet daemon telnetd. A remote attacker who can acce...

Scientific Linux Security Update : krb5-appl on SL6.x i386/x86_64

The krb5-appl packages provide Kerberos-aware telnet, ftp, rcp, rsh, and rlogin clients and servers. Kerberos is a network authentication system which allows clients and servers to authenticate to each other using symmetric encryption and a trusted third party, the Key Distribution Center KDC. A...

Scientific Linux Security Update : krb5-appl on SL6.x i386/x86_64

The krb5-appl packages provide Kerberos-aware telnet, ftp, rcp, rsh, and rlogin clients and servers. While these have been replaced by tools such as OpenSSH in most environments, they remain in use in others. It was found that gssftp, a Kerberos-aware FTP server, did not properly drop privileges....

Scientific Linux Security Update : krb5 on SL6.x i386/x86_64

Kerberos is a network authentication system which allows clients and servers to authenticate to each other using symmetric encryption and a trusted third party, the Key Distribution Center KDC. Multiple NULL pointer dereference and assertion failure flaws were found in the MIT Kerberos KDC when i...

RHEL 6 : krb5 (RHSA-2012:1131)

Updated krb5 packages that fix two security issues are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having important security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed severity ratings, are...

Scientific Linux Security Update : krb5 on SL4.x, SL5.x i386/x86_64

Multiple checksum validation flaws were discovered in the MIT Kerberos implementation. A remote attacker could use these flaws to tamper with certain Kerberos protocol packets and, possibly, bypass authentication mechanisms in certain configurations using Single-use Authentication Mechanisms...

Scientific Linux Security Update : krb5 on SL5.x, SL4.x, SL3.x i386/x86_64

David Coffey discovered an uninitialized pointer free flaw in the RPC library used by kadmind. On Scientific Linux 4 and 5, glibc detects attempts to free invalid pointers. A remote unauthenticated attacker who can access kadmind could trigger this flaw and cause kadmind to crash. CVE-2007-2442...

Scientific Linux Security Update : cifs-utils on SL6.x i386/x86_64 (20120620)

The cifs-utils package contains tools for mounting and managing shares on Linux using the SMB/CIFS protocol. The CIFS shares can be used as standard Linux file systems. A file existence disclosure flaw was found in mount.cifs. If the tool was installed with the setuid bit set, a local attacker...

Scientific Linux Security Update : krb5 on SL3.x i386/x86_64

David Coffey discovered an uninitialized pointer free flaw in the RPC library used by kadmind. A remote unauthenticated attacker who can access kadmind could trigger this flaw and cause kadmind to crash or potentially execute arbitrary code as root. CVE-2007-2442 David Coffey also discovered an...

Scientific Linux Security Update : krb5 on SL6.x i386/x86_64

Kerberos is a network authentication system which allows clients and servers to authenticate to each other using symmetric encryption and a trusted third party, the Key Distribution Center KDC. A NULL pointer dereference flaw was found in the way the MIT Kerberos KDC processed certain TGS...

Scientific Linux Security Update : pam_krb5/krb5 on SL5.x i386/x86_64

pamkrb5 address the following security issue : A flaw was found in the pamkrb5 'existingticket' configuration option. If a system is configured to use an existing credential cache via the 'existingticket' option, it may be possible for a local user to gain elevated privileges by using a different...

Scientific Linux Security Update : krb5 on SL5.x i386/x86_64

A use-after-free flaw was discovered in the MIT Kerberos administration daemon, kadmind. A remote, authenticated attacker could use this flaw to crash the kadmind daemon. Administrative privileges are not required to trigger this flaw, as any realm user can request information about their own...

Scientific Linux Security Update : krb5 on SL3.x, SL4.x, SL5.x i386/x86_64

CVE-2009-4212 krb: KDC integer overflows in AES and RC4 decryption routines MITKRB5-SA-2009-004 Multiple integer underflow flaws, leading to heap-based corruption, were found in the way the MIT Kerberos Key Distribution Center KDC decrypted ciphertexts encrypted with the Advanced Encryption...

Scientific Linux Security Update : krb5 on SL3.x, SL4.x, SL5.x i386/x86_64

A flaw was found in the way the MIT Kerberos Authentication Service and Key Distribution Center server krb5kdc handled Kerberos v4 protocol packets. An unauthenticated remote attacker could use this flaw to crash the krb5kdc daemon, disclose portions of its memory, or possibly execute arbitrary...

Debian DSA-2518-1 : krb5 - denial of service and remote code execution

Emmanuel Bouillon from NCI Agency discovered multiple vulnerabilities in MIT Kerberos, a daemon implementing the network authentication protocol. - CVE-2012-1014 By sending specially crafted AS-REQ Authentication Service Request to a KDC Key Distribution Center, an attacker could make it free an...

Scientific Linux Security Update : pam_krb5 on SL3.x i386/x86_64

These updated pam-krb5 packages fix a bug which caused user authentication to fail under certain circumstances. When authenticating a user, if the user's password was expired, the module would attempt to obtain password-changing credentials in order to verify the user's password. When the module...