MIT Kerberos 5 ASN.1 decoding functions insecurely deallocate memory (double-free)

Overview The MIT Kerberos 5 library does not securely deallocate heap memory when decoding ASN.1 structures, resulting in double-free vulnerabilities. An unauthenticated, remote attacker could execute arbitrary code on a KDC server, which could compromise an entire Kerberos realm. An attacker may...

MIT Kerberos krb524d insecurely deallocates memory (double-free)

Overview The MIT Kerberos krb524d daemon does not securely deallocate heap memory when handling an error condition, resulting in a double-free vulnerability. An unauthenticated, remote attacker could execute arbitrary code on a system running krb524d, which in many cases is also a Kerberos...

MIT Kerberos 5 ASN.1 decoding function asn1buf_skiptail() does not properly terminate loop

Overview The asn1bufskiptail function in the MIT Kerberos 5 library does not properly terminate a loop, allowing an unauthenticated, remote attacker to cause a denial of service in a Kerberos Distribution Center KDC, application server, or Kerberos client. Description As described on the MIT...

MIT Kerberos 5 ASN.1 decoding function krb5_rd_cred() insecurely deallocates memory (double-free)

Overview The krb5rdcred function in the MIT Kerberos 5 library does not securely deallocate heap memory when decoding ASN.1 structures, resulting in a double-free vulnerability. A remote, authenticated attacker could execute arbitrary code or cause a denial of service on any system running an...

CVE-2003-0059

The CVE-2003-0059 issue affects MIT Kerberos V5 prior to 1.2.5, where an vulnerability in chk_trans.c can allow a principal from one realm to impersonate principals in other realms that share inter-realm keys. The problem is documented across multiple feeds (Debian, Red Hat, CVE listings) as a re...

CVE-2002-1160

The default configuration of the pamxauth module forwards MIT-Magic-Cookies to new X sessions, which could allow local users to gain root privileges by stealing the cookies from a temporary .xauth file, which is created with the original user's credentials after root uses su...

CVE-2003-0058

MIT Kerberos V5 Key Distribution Center KDC before 1.2.5 allows remote authenticated attackers to cause a denial of service crash on KDCs within the same realm via a certain protocol request that causes a null dereference...

CVE-2003-0059

Unknown vulnerability in the chktrans.c of the libkrb5 library for MIT Kerberos V5 before 1.2.5 allows users from one realm to impersonate users in other realms that have the same inter-realm keys...

CVE-2003-0058

MIT Kerberos V5 KDC before 1.2.5 is vulnerable to remote authenticated DoS via a protocol request that triggers a null pointer dereference, causing KDC crashes within the same realm. Affected component: KDC in MIT Kerberos V5. Impact: service denial (crash) of KDCs in the realm. Root cause: null ...

CVE-2003-0059

Unknown vulnerability in the chktrans.c of the libkrb5 library for MIT Kerberos V5 before 1.2.5 allows users from one realm to impersonate users in other realms that have the same inter-realm keys...

CVE-2002-0036

Integer signedness error in MIT Kerberos V5 ASN.1 decoder before krb5 1.2.5 allows remote attackers to cause a denial of service via a large unsigned data element length, which is later used as a negative value...

CVE-2002-0036

Summary: CVE-2002-0036 is a signedness bug in MIT Kerberos V5 ASN.1 decoder prior to krb5 1.2.5, allowing a remote attacker to trigger a denial of service by sending a large unsigned data element length that is later treated as negative. Impact: DoS of Kerberos services (notably KDC/servers) as d...

CVE-2002-1160

The CVE-2002-1160 issue concerns the pam_xauth module, where the default configuration forwards MIT-Magic-Cookies to new X sessions. This can enable a local attacker to gain an administrator’s X session by stealing the cookie from a temporary .xauth file created after root uses su. Public sources...

CVE-2003-0058

MIT Kerberos V5 Key Distribution Center KDC before 1.2.5 allows remote authenticated attackers to cause a denial of service crash on KDCs within the same realm via a certain protocol request that causes a null dereference...

CVE-2003-0058: Undefined Security Weakness

MIT Kerberos V5 Key Distribution Center KDC before 1.2.5 allows remote authenticated attackers to cause a denial of service crash on KDCs within the same realm via a certain protocol request that causes a null dereference...

CVE-2003-0059: Undefined Security Weakness

Unknown vulnerability in the chktrans.c of the libkrb5 library for MIT Kerberos V5 before 1.2.5 allows users from one realm to impersonate users in other realms that have the same inter-realm keys...

CVE-2002-1160: Undefined Security Weakness

The default configuration of the pamxauth module forwards MIT-Magic-Cookies to new X sessions, which could allow local users to gain root privileges by stealing the cookies from a temporary .xauth file, which is created with the original user's credentials after root uses su...

MITKRB5-SA-2004-003: ASN.1 decoder denial-of-service

-----BEGIN PGP SIGNED MESSAGE----- MIT krb5 Security Advisory 2004-003 Original release: 2004-08-31 Topic: ASN.1 decoder denial of service Severity: serious SUMMARY ======= The ASN.1 decoder library in the MIT Kerberos 5 distribution is vulnerable to a denial-of-service attack causing an infinite...

CVE-2002-0036: Undefined Security Weakness

Integer signedness error in MIT Kerberos V5 ASN.1 decoder before krb5 1.2.5 allows remote attackers to cause a denial of service via a large unsigned data element length, which is later used as a negative value...

[SECURITY] [DSA 543-1] New krb5 packages fix several vulnerabilities

-------------------------------------------------------------------------- Debian Security Advisory DSA 543-1 [email protected] http://www.debian.org/security/ Martin Schulze August 31st, 2004 http://www.debian.org/security/faq -...