From security@mandriva.com Wed Jul 13 23:30:43 2005 From: Mandriva Security Team To: full-disclosure@lists.grok.org.uk Date: Wed, 13 Jul 2005 21:28:12 -0600 Subject: [Full-disclosure] MDKSA-2005:119 - Updated krb5 packages fix multiple vulnerabilities -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 _______________________________________________________________________ Mandriva Linux Security Update Advisory _______________________________________________________________________ Package name: krb5 Advisory ID: MDKSA-2005:119 Date: July 13th, 2005 Affected versions: 10.0, 10.1, 10.2, Corporate 3.0, Corporate Server 2.1, Multi Network Firewall 2.0 ______________________________________________________________________ Problem Description: A number of vulnerabilities have been corrected in this Kerberos update: The rcp protocol would allow a server to instruct a client to write to arbitrary files outside of the current directory. The Kerberos-aware rcp could be abused to copy files from a malicious server (CAN-2004-0175). Gael Delalleau discovered an information disclosure vulnerability in the way some telnet clients handled messages from a server. This could be abused by a malicious telnet server to collect information from the environment of any victim connecting to the server using the Kerberos- aware telnet client (CAN-2005-0488). Daniel Wachdorf disovered that in error conditions that could occur in response to correctly-formatted client requests, the Kerberos 5 KDC may attempt to free uninitialized memory, which could cause the KDC to crash resulting in a Denial of Service (CAN-2005-1174). Daniel Wachdorf also discovered a single-byte heap overflow in the krb5_unparse_name() function that could, if successfully exploited, lead to a crash, resulting in a DoS. To trigger this flaw, an attacker would need to have control of a Kerberos realm that shares a cross- realm key with the target (CAN-2005-1175). Finally, a double-free flaw was discovered in the krb5_recvauth() routine which could be triggered by a remote unauthenticated attacker. This issue could potentially be exploited to allow for the execution of arbitrary code on a KDC. No exploit is currently known to exist (CAN-2005-1689). The updated packages have been patched to address this issue and Mandriva urges all users to upgrade to these packages as quickly as possible. _______________________________________________________________________ References: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0175 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0488 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-1174 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-1175 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-1689 http://www.kb.cert.org/vuls/id/623332 http://www.kb.cert.org/vuls/id/259798 http://www.kb.cert.org/vuls/id/885830 http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2005-002-kdc.txt http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2005-003-recvauth.txt ______________________________________________________________________ Updated Packages: Mandrakelinux 10.0: c87b9ac1660b8cb7909f0d7809e60c16 10.0/RPMS/ftp-client-krb5-1.3-6.6.100mdk.i586.rpm 6f42470b37ea66bb7570694acf4b170c 10.0/RPMS/ftp-server-krb5-1.3-6.6.100mdk.i586.rpm bf802310809218151a91f70b431f58f7 10.0/RPMS/krb5-server-1.3-6.6.100mdk.i586.rpm dd0120f441cbe289189c98d1a6e7c9b5 10.0/RPMS/krb5-workstation-1.3-6.6.100mdk.i586.rpm 69c40a89709e887063a3e817325125b9 10.0/RPMS/libkrb51-1.3-6.6.100mdk.i586.rpm 34a0289675fc35576e2cb715a6e2117b 10.0/RPMS/libkrb51-devel-1.3-6.6.100mdk.i586.rpm bed8b731d7e752b4bcffe98abdbd7d3e 10.0/RPMS/telnet-client-krb5-1.3-6.6.100mdk.i586.rpm 7b01eaa867670ef32aafc0c62d1e9b01 10.0/RPMS/telnet-server-krb5-1.3-6.6.100mdk.i586.rpm 7b00ffd04e5fb1328a8ecfc3bad58827 10.0/SRPMS/krb5-1.3-6.6.100mdk.src.rpm Mandrakelinux 10.0/AMD64: 174fdb05eb1f32630ff9e7796800f554 amd64/10.0/RPMS/ftp-client-krb5-1.3-6.6.100mdk.amd64.rpm 97eb89e96cccdd269d1aed4c19d0c31c amd64/10.0/RPMS/ftp-server-krb5-1.3-6.6.100mdk.amd64.rpm f57777163fcbca96e8f032fe22134414 amd64/10.0/RPMS/krb5-server-1.3-6.6.100mdk.amd64.rpm befa694e6b367b7ad9ac6f127edb28c4 amd64/10.0/RPMS/krb5-workstation-1.3-6.6.100mdk.amd64.rpm caaa22fb8566f59f749234cb6d2065f1 amd64/10.0/RPMS/lib64krb51-1.3-6.6.100mdk.amd64.rpm 8f869dbf84022f913fc14841741cba82 amd64/10.0/RPMS/lib64krb51-devel-1.3-6.6.100mdk.amd64.rpm 83d63d52ab2fa1545a8bfbcd81cf4b89 amd64/10.0/RPMS/telnet-client-krb5-1.3-6.6.100mdk.amd64.rpm ba7fc18ac57bda1f05aaf42c82dcd196 amd64/10.0/RPMS/telnet-server-krb5-1.3-6.6.100mdk.amd64.rpm 7b00ffd04e5fb1328a8ecfc3bad58827 amd64/10.0/SRPMS/krb5-1.3-6.6.100mdk.src.rpm Mandrakelinux 10.1: fb9247177c9a8e1c97058458c70e6a38 10.1/RPMS/ftp-client-krb5-1.3.4-2.3.101mdk.i586.rpm dc55f0d19df94d5c4314ba7476d267f7 10.1/RPMS/ftp-server-krb5-1.3.4-2.3.101mdk.i586.rpm 0a87d233095d1cd13ee637153dcc5b59 10.1/RPMS/krb5-server-1.3.4-2.3.101mdk.i586.rpm f8e4067a77c9d5bb681d2460bf2063b9 10.1/RPMS/krb5-workstation-1.3.4-2.3.101mdk.i586.rpm e0d4e8e580f3b6499bc405aed49552d3 10.1/RPMS/libkrb53-1.3.4-2.3.101mdk.i586.rpm 73e3abef9c847fe90db56483531a1cf1 10.1/RPMS/libkrb53-devel-1.3.4-2.3.101mdk.i586.rpm ab219aaacc9c024b737f323350f20745 10.1/RPMS/telnet-client-krb5-1.3.4-2.3.101mdk.i586.rpm 59950fc14b9ebde521822ceb72e020b5 10.1/RPMS/telnet-server-krb5-1.3.4-2.3.101mdk.i586.rpm b6791f0e031795f328a2373bd6bff4af 10.1/SRPMS/krb5-1.3.4-2.3.101mdk.src.rpm Mandrakelinux 10.1/X86_64: 7cc15d17e2dd069951ae1033e2e5da0f x86_64/10.1/RPMS/ftp-client-krb5-1.3.4-2.3.101mdk.x86_64.rpm 08d8d3cd6b8e3be3a0647feb3a041cc0 x86_64/10.1/RPMS/ftp-server-krb5-1.3.4-2.3.101mdk.x86_64.rpm 6ef2f47ace0c658673c20e7428058b3f x86_64/10.1/RPMS/krb5-server-1.3.4-2.3.101mdk.x86_64.rpm eb7c38bbfacd43534d2508872ae07637 x86_64/10.1/RPMS/krb5-workstation-1.3.4-2.3.101mdk.x86_64.rpm 911d542523934cae7891eb3aa1b4c22c x86_64/10.1/RPMS/lib64krb53-1.3.4-2.3.101mdk.x86_64.rpm 42c8a131ea1bb6b4a71826fa0367dcd9 x86_64/10.1/RPMS/lib64krb53-devel-1.3.4-2.3.101mdk.x86_64.rpm 991aadec0a33745198589b1619f42190 x86_64/10.1/RPMS/telnet-client-krb5-1.3.4-2.3.101mdk.x86_64.rpm 9fecbd14c5b908416e2eb5b8b7900602 x86_64/10.1/RPMS/telnet-server-krb5-1.3.4-2.3.101mdk.x86_64.rpm b6791f0e031795f328a2373bd6bff4af x86_64/10.1/SRPMS/krb5-1.3.4-2.3.101mdk.src.rpm Mandrakelinux 10.2: 2370d0bcd8e1055b828cbc5fd61b80fb 10.2/RPMS/ftp-client-krb5-1.3.6-6.1.102mdk.i586.rpm 77d6d6822faf2d46126324d52b7de350 10.2/RPMS/ftp-server-krb5-1.3.6-6.1.102mdk.i586.rpm fd97b673156aab9df1dd084fa00ca4ee 10.2/RPMS/krb5-server-1.3.6-6.1.102mdk.i586.rpm e097b32bff94a889e9287328ea4383a7 10.2/RPMS/krb5-workstation-1.3.6-6.1.102mdk.i586.rpm 10b12d24aeacbc51a72c5f6df7e063ab 10.2/RPMS/libkrb53-1.3.6-6.1.102mdk.i586.rpm c1b8458fdd25b9ac51338978958886b9 10.2/RPMS/libkrb53-devel-1.3.6-6.1.102mdk.i586.rpm 225fb2cfd2b8a30d0743cc691a98f862 10.2/RPMS/telnet-client-krb5-1.3.6-6.1.102mdk.i586.rpm c7145ab6eb80b5a5bd6438dc1292c208 10.2/RPMS/telnet-server-krb5-1.3.6-6.1.102mdk.i586.rpm fc23e2f504e65b3ed2304bbf44b17626 10.2/SRPMS/krb5-1.3.6-6.1.102mdk.src.rpm Mandrakelinux 10.2/X86_64: 48bf82662d9dc709f7b6fc93d408ec36 x86_64/10.2/RPMS/ftp-client-krb5-1.3.6-6.1.102mdk.x86_64.rpm a99dcafc0f131bee2fdd481a3c3b74ae x86_64/10.2/RPMS/ftp-server-krb5-1.3.6-6.1.102mdk.x86_64.rpm 6575fa785756ec309bc9a532ea201998 x86_64/10.2/RPMS/krb5-server-1.3.6-6.1.102mdk.x86_64.rpm 9de12fff0f2556fc1b37309f3df38f43 x86_64/10.2/RPMS/krb5-workstation-1.3.6-6.1.102mdk.x86_64.rpm 979d3a3a1076b5e1379388dfa12cbf14 x86_64/10.2/RPMS/lib64krb53-1.3.6-6.1.102mdk.x86_64.rpm 51fdffc99853d03ae464cfd45e477cf8 x86_64/10.2/RPMS/lib64krb53-devel-1.3.6-6.1.102mdk.x86_64.rpm 0f52ac0e1c637d1c9cd8ec0ce40f9221 x86_64/10.2/RPMS/telnet-client-krb5-1.3.6-6.1.102mdk.x86_64.rpm 398385ff0c438b3ddf4e086a44ae118c x86_64/10.2/RPMS/telnet-server-krb5-1.3.6-6.1.102mdk.x86_64.rpm fc23e2f504e65b3ed2304bbf44b17626 x86_64/10.2/SRPMS/krb5-1.3.6-6.1.102mdk.src.rpm Multi Network Firewall 2.0: fabcf16faccef529a4a5d95e52e4474a mnf/2.0/RPMS/libkrb51-1.3-6.6.M20mdk.i586.rpm 0a612cf3624c0e0279705eb4658cf08e mnf/2.0/SRPMS/krb5-1.3-6.6.M20mdk.src.rpm Corporate Server 2.1: fb109362079c6f8a2aec1ca618882513 corporate/2.1/RPMS/ftp-client-krb5-1.2.5-1.10.C21mdk.i586.rpm 92725fca271543c54c907c4860a9c225 corporate/2.1/RPMS/ftp-server-krb5-1.2.5-1.10.C21mdk.i586.rpm bc56956b9c25b804e9238aa750c79688 corporate/2.1/RPMS/krb5-devel-1.2.5-1.10.C21mdk.i586.rpm 85da226bcd5c58f611c77e457505e660 corporate/2.1/RPMS/krb5-libs-1.2.5-1.10.C21mdk.i586.rpm 680c3f4ff6a53c12ea5f706858a29c30 corporate/2.1/RPMS/krb5-server-1.2.5-1.10.C21mdk.i586.rpm ed55cd70d63d65c1ef644672a331beca corporate/2.1/RPMS/krb5-workstation-1.2.5-1.10.C21mdk.i586.rpm 2032b8637d45463118b6b2cec796ea89 corporate/2.1/RPMS/telnet-client-krb5-1.2.5-1.10.C21mdk.i586.rpm 2f0aedf68f2a0e33a6a94139eaf50cac corporate/2.1/RPMS/telnet-server-krb5-1.2.5-1.10.C21mdk.i586.rpm 5998fcf5b2a19bac3f513fd9a196093f corporate/2.1/SRPMS/krb5-1.2.5-1.10.C21mdk.src.rpm Corporate Server 2.1/X86_64: ef0287c7f515b77e4ee9c816564298c1 x86_64/corporate/2.1/RPMS/ftp-client-krb5-1.2.5-1.10.C21mdk.x86_64.rpm 94268948f1c84bb9f2b194d02467e3e6 x86_64/corporate/2.1/RPMS/ftp-server-krb5-1.2.5-1.10.C21mdk.x86_64.rpm 5f07977c217d7e8f03cf1264671100ea x86_64/corporate/2.1/RPMS/krb5-devel-1.2.5-1.10.C21mdk.x86_64.rpm 2af63c080bcce672cb112ecfcddd79cd x86_64/corporate/2.1/RPMS/krb5-libs-1.2.5-1.10.C21mdk.x86_64.rpm 224dfdac58646589d1bd5a50bb4ca3b9 x86_64/corporate/2.1/RPMS/krb5-server-1.2.5-1.10.C21mdk.x86_64.rpm 199e3235e0ed34edc0d2ce377534c441 x86_64/corporate/2.1/RPMS/krb5-workstation-1.2.5-1.10.C21mdk.x86_64.rpm 65b63aa5728e478eb566100c1e2a8061 x86_64/corporate/2.1/RPMS/telnet-client-krb5-1.2.5-1.10.C21mdk.x86_64.rpm 0550444014da765a97deea983332d45e x86_64/corporate/2.1/RPMS/telnet-server-krb5-1.2.5-1.10.C21mdk.x86_64.rpm 5998fcf5b2a19bac3f513fd9a196093f x86_64/corporate/2.1/SRPMS/krb5-1.2.5-1.10.C21mdk.src.rpm Corporate 3.0: dc39a416e792dbe6bd3c30e2a4be7350 corporate/3.0/RPMS/ftp-client-krb5-1.3-6.6.C30mdk.i586.rpm 1a351c0d939faecda9051d9432afe724 corporate/3.0/RPMS/ftp-server-krb5-1.3-6.6.C30mdk.i586.rpm ddd38c40766625e7ac7a2c7964d1bf99 corporate/3.0/RPMS/krb5-server-1.3-6.6.C30mdk.i586.rpm 8e83fef835a01e12aa3273b8b8970717 corporate/3.0/RPMS/krb5-workstation-1.3-6.6.C30mdk.i586.rpm 24a4d0ffa3c2651121d7f7381cafad29 corporate/3.0/RPMS/libkrb51-1.3-6.6.C30mdk.i586.rpm be8a2e1088d1b06054a97c773960b0e0 corporate/3.0/RPMS/libkrb51-devel-1.3-6.6.C30mdk.i586.rpm 1274d73b2ada444ebe50b998d1d83d6a corporate/3.0/RPMS/telnet-client-krb5-1.3-6.6.C30mdk.i586.rpm fdf3981cdc25a9afee54a61cb01d042c corporate/3.0/RPMS/telnet-server-krb5-1.3-6.6.C30mdk.i586.rpm 1738741854a9259ef09e6a6325349a14 corporate/3.0/SRPMS/krb5-1.3-6.6.C30mdk.src.rpm Corporate 3.0/X86_64: e6eda8a4875598ce56e56a7c45a9ca95 x86_64/corporate/3.0/RPMS/ftp-client-krb5-1.3-6.6.C30mdk.x86_64.rpm e7bd3ed8c1e29b25ebb3bffc3fa8c46a x86_64/corporate/3.0/RPMS/ftp-server-krb5-1.3-6.6.C30mdk.x86_64.rpm e134c8918d95e99784b9e1a4078fd7ab x86_64/corporate/3.0/RPMS/krb5-server-1.3-6.6.C30mdk.x86_64.rpm 0bf662ecfd42b2f68b2af8e05ad510c7 x86_64/corporate/3.0/RPMS/krb5-workstation-1.3-6.6.C30mdk.x86_64.rpm 262c7ec2ae2a0f72f3891abd5ed1b400 x86_64/corporate/3.0/RPMS/lib64krb51-1.3-6.6.C30mdk.x86_64.rpm be39364202543ef56bbce8f5d69bf309 x86_64/corporate/3.0/RPMS/lib64krb51-devel-1.3-6.6.C30mdk.x86_64.rpm d734050c0bfc0e5e65834aee4df6c77d x86_64/corporate/3.0/RPMS/telnet-client-krb5-1.3-6.6.C30mdk.x86_64.rpm 3a78f34256effe43feb9d6f3dc0fc62d x86_64/corporate/3.0/RPMS/telnet-server-krb5-1.3-6.6.C30mdk.x86_64.rpm 1738741854a9259ef09e6a6325349a14 x86_64/corporate/3.0/SRPMS/krb5-1.3-6.6.C30mdk.src.rpm _______________________________________________________________________ To upgrade automatically use MandrakeUpdate or urpmi. The verification of md5 checksums and GPG signatures is performed automatically for you. All packages are signed by Mandriva for security. You can obtain the GPG public key of the Mandriva Security Team by executing: gpg --recv-keys --keyserver pgp.mit.edu 0x22458A98 You can view other update advisories for Mandriva Linux at: http://www.mandriva.com/security/advisories If you want to report vulnerabilities, please contact security_(at)_mandriva.com _______________________________________________________________________ Type Bits/KeyID Date User ID pub 1024D/22458A98 2000-07-10 Mandriva Security Team -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (GNU/Linux) iD8DBQFC1dvMmqjQ0CJFipgRArE7AJ9waVzWhtxKjvlZlKVtc6/OfznZNQCdG0Dn n5En05/4DjAyPg88vHEBPQg= =YWXS -----END PGP SIGNATURE----- _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/