CVE-2022-45142

CVE-2022-45142 is an issue in Heimdal where the backport of fixes for CVE-2022-3437 introduced a logic inversion that inverted MIC validation in gssapi/arcfour. Affected branches include heimdal-7.7.1 and 7.8.0 (and possibly other branches). The consequence is incorrect message integrity verifica...

CVE-2022-45142

The fix for CVE-2022-3437 included changing memcmp to be constant time and a workaround for a compiler bug by adding "!= 0" comparisons to the result of memcmp. When these patches were backported to the heimdal-7.7.1 and heimdal-7.8.0 branches and possibly other branches a logic inversion sneaked...

CVE-2022-45142

The fix for CVE-2022-3437 included changing memcmp to be constant time and a workaround for a compiler bug by adding "!= 0" comparisons to the result of memcmp. When these patches were backported to the heimdal-7.7.1 and heimdal-7.8.0 branches and possibly other branches a logic inversion sneaked...

CVE-2022-45142

The fix for CVE-2022-3437 included changing memcmp to be constant time and a workaround for a compiler bug by adding "!= 0" comparisons to the result of memcmp. When these patches were backported to the heimdal-7.7.1 and heimdal-7.8.0 branches and possibly other branches a logic inversion sneaked...

USN-5849-1: Heimdal vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 16.04 Canonical Ubuntu 18.04 Description Helmut Grohne discovered that Heimdal GSSAPI incorrectly handled logical conditions that are related to memory management operations. An attacker could possibly use this issue to...

K85796417: Samba vulnerability CVE-2018-16860

Security Advisory Description A flaw was found in samba's Heimdal KDC implementation, versions 4.8.x up to, excluding 4.8.12, 4.9.x up to, excluding 4.9.8 and 4.10.x up to, excluding 4.10.3, when used in AD DC mode. A man in the middle attacker could use this flaw to intercept the request to the...

K50314830: Samba MITM vulnerability CVE-2017-11103

Security Advisory Description Heimdal before 7.4 allows remote attackers to impersonate services with Orpheus Lyre attacks because it obtains service-principal names in a way that violates the Kerberos 5 protocol specification. In krb5extractticket the KDC-REP service name must be obtained from t...

SUSE CVE-2004-0371

Heimdal 0.6.x before 0.6.1 and 0.5.x before 0.5.3 does not properly perform certain consistency checks for cross-realm requests, which allows remote attackers with control of a realm to impersonate others in the cross-realm trust path...

SUSE CVE-2005-2040

Multiple buffer overflows in the getterminaltype function in telnetd for Heimdal before 0.6.5 may allow remote attackers to execute arbitrary code, a different vulnerability than CVE-2005-0468 and CVE-2005-0469...

SUSE CVE-2006-0582

Unspecified vulnerability in rshd in Heimdal 0.6.x before 0.6.6 and 0.7.x before 0.7.2, when storing forwarded credentials, allows attackers to overwrite arbitrary files and change file ownership via unknown vectors...

SUSE CVE-2006-0677

telnetd in Heimdal 0.6.x before 0.6.6 and 0.7.x before 0.7.2 allows remote unauthenticated attackers to cause a denial of service server crash via unknown vectors that trigger a null dereference...

SUSE CVE-2006-3083

The 1 krshd and 2 v4rcp applications in a MIT Kerberos 5 krb5 up to 1.5, and 1.4.x before 1.4.4, when running on Linux and AIX, and b Heimdal 0.7.2 and earlier, do not check return codes for setuid calls, which allows local users to gain privileges by causing setuid to fail to drop privileges usi...

SUSE CVE-2006-3084

The 1 ftpd and 2 ksu programs in a MIT Kerberos 5 krb5 up to 1.5, and 1.4.x before 1.4.4, and b Heimdal 0.7.2 and earlier, do not check return codes for setuid calls, which might allow local users to gain privileges by causing setuid to fail to drop privileges. NOTE: as of 20060808, it is not kno...

SUSE CVE-2007-5939

The gssuserok function in appl/ftp/ftpd/gssuserok.c in Heimdal 0.7.2 does not allocate memory for the ticketfile pointer before calling free, which allows remote attackers to have an unknown impact via an invalid username. NOTE: the vulnerability was originally reported for ftpd.c, but this is...

SUSE CVE-2011-4862

Buffer overflow in libtelnet/encrypt.c in telnetd in FreeBSD 7.3 through 9.0, MIT Kerberos Version 5 Applications aka krb5-appl 1.0.2 and earlier, Heimdal 1.5.1 and earlier, GNU inetutils, and possibly other products allows remote attackers to execute arbitrary code via a long encryption key, as...

SUSE CVE-2017-6594

The transit path validation code in Heimdal before 7.3 might allow attackers to bypass the capath policy protection mechanism by leveraging failure to add the previous hop realm to the transit path of issued tickets...

SUSE CVE-2017-11103

Heimdal before 7.4 allows remote attackers to impersonate services with Orpheus' Lyre attacks because it obtains service-principal names in a way that violates the Kerberos 5 protocol specification. In krb5extractticket the KDC-REP service name must be obtained from the encrypted version stored i...

SUSE CVE-2017-17439

In Heimdal through 7.4, remote unauthenticated attackers are able to crash the KDC by sending a crafted UDP packet containing empty data fields for client name or realm. The parser would unconditionally dereference NULL pointers in that case, leading to a segmentation fault. This is related to th...

SUSE CVE-2018-16860

A flaw was found in samba's Heimdal KDC implementation, versions 4.8.x up to, excluding 4.8.12, 4.9.x up to, excluding 4.9.8 and 4.10.x up to, excluding 4.10.3, when used in AD DC mode. A man in the middle attacker could use this flaw to intercept the request to the KDC and replace the user name...

SUSE CVE-2019-12098

In the client side of Heimdal before 7.6.0, failure to verify anonymous PKINIT PA-PKINIT-KX key exchange permits a man-in-the-middle attack. This issue is in krb5initcredsstep in lib/krb5/initcredspw.c...