CVE-2015-8629
published 2016-02-13CVE-2015-8629: The xdr_nullstring function in lib/kadm5/kadm_rpc_xdr.c in kadmind in MIT Kerberos 5 (aka krb5) before 1.13.4 and 1.14.x before 1.14.1 does not verify whether…
PriorityP429medium5.3CVSS 3.1
AVNACHPRLUINSUCHINAN
EPSS
3.66%
89.6th percentile
The xdr_nullstring function in lib/kadm5/kadm_rpc_xdr.c in kadmind in MIT Kerberos 5 (aka krb5) before 1.13.4 and 1.14.x before 1.14.1 does not verify whether '\0' characters exist as expected, which allows remote authenticated users to obtain sensitive information or cause a denial of service (out-of-bounds read) via a crafted string.
Affected
37 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | debian_linux | — | — |
| debian | debian_linux | — | — |
| debian | krb5 | < krb5 1.13.2+dfsg-5 (bookworm) | krb5 1.13.2+dfsg-5 (bookworm) |
| mit | kerberos_5 | < 1.13.4 | 1.13.4 |
| mit | kerberos_5 | >= 1.14 < 1.14.1 | 1.14.1 |
| mit | krb5 | >= 0 < 1.13.2+dfsg-5 | 1.13.2+dfsg-5 |
| mit | krb5 | >= 0 < 1.13.2+dfsg-5 | 1.13.2+dfsg-5 |
| mit | krb5 | >= 0 < 1.13.2+dfsg-5 | 1.13.2+dfsg-5 |
| mit | krb5 | >= 0 < 1.13.2+dfsg-5 | 1.13.2+dfsg-5 |
| opensuse | leap | — | — |
| opensuse | opensuse | — | — |
| oracle | linux | — | — |
| oracle | linux | — | — |
| oracle | solaris | — | — |
| oracle | solaris | — | — |
| redhat | enterprise_linux_desktop | — | — |
| redhat | enterprise_linux_desktop | — | — |
| redhat | enterprise_linux_eus | — | — |
| redhat | enterprise_linux_eus | — | — |
| redhat | enterprise_linux_eus | — | — |
| redhat | enterprise_linux_eus | — | — |
| redhat | enterprise_linux_eus | — | — |
| redhat | enterprise_linux_eus | — | — |
| redhat | enterprise_linux_eus | — | — |
| redhat | enterprise_linux_server | — | — |
CVSS provenance
nvdv3.15.3MEDIUMCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
nvdv2.02.1LOWAV:N/AC:H/Au:S/C:P/I:N/A:N
osv5.3MEDIUM
vendor_debian5.3MEDIUM
vendor_redhat5.3MEDIUM
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Red Hat
krb5: xdr_nullstring() doesn't check for terminating null character
vendor_redhat·2016-01-08·CVSS 5.3
CVE-2015-8629 [MEDIUM] CWE-119 krb5: xdr_nullstring() doesn't check for terminating null character
krb5: xdr_nullstring() doesn't check for terminating null character
The xdr_nullstring function in lib/kadm5/kadm_rpc_xdr.c in kadmind in MIT Kerberos 5 (aka krb5) before 1.13.4 and 1.14.x before 1.14.1 does not verify whether '\0' characters exist as expected, which allows remote authenticated users to obtain sensitive information or cause a denial of service (out-of-bounds read) via a crafted string.
An out-of-bounds read flaw was found in the kadmind service of MIT Kerberos. An authenticated attacker could send a maliciously crafted message to force kadmind to read beyond the end of allocated memory, and write the memory contents to the KDC database if the attacker has write permission, leading to information disclosure.
Package: krb5 (Red Hat Enterprise Linux 5) - Will not fix
Pack
Debian
CVE-2015-8629: krb5 - The xdr_nullstring function in lib/kadm5/kadm_rpc_xdr.c in kadmind in MIT Kerber...
vendor_debian·2015·CVSS 5.3
CVE-2015-8629 [MEDIUM] CVE-2015-8629: krb5 - The xdr_nullstring function in lib/kadm5/kadm_rpc_xdr.c in kadmind in MIT Kerber...
The xdr_nullstring function in lib/kadm5/kadm_rpc_xdr.c in kadmind in MIT Kerberos 5 (aka krb5) before 1.13.4 and 1.14.x before 1.14.1 does not verify whether '\0' characters exist as expected, which allows remote authenticated users to obtain sensitive information or cause a denial of service (out-of-bounds read) via a crafted string.
Scope: local
bookworm: resolved (fixed in 1.13.2+dfsg-5)
bullseye: resolved (fixed in 1.13.2+dfsg-5)
forky: resolved (fixed in 1.13.2+dfsg-5)
sid: resolved (fixed in 1.13.2+dfsg-5)
trixie: resolved (fixed in 1.13.2+dfsg-5)
GHSA
GHSA-2xvp-5pfr-cwhc: The xdr_nullstring function in lib/kadm5/kadm_rpc_xdr
ghsa_unreviewed·2022-05-13
CVE-2015-8629 [MEDIUM] CWE-125 GHSA-2xvp-5pfr-cwhc: The xdr_nullstring function in lib/kadm5/kadm_rpc_xdr
The xdr_nullstring function in lib/kadm5/kadm_rpc_xdr.c in kadmind in MIT Kerberos 5 (aka krb5) before 1.13.4 and 1.14.x before 1.14.1 does not verify whether '\0' characters exist as expected, which allows remote authenticated users to obtain sensitive information or cause a denial of service (out-of-bounds read) via a crafted string.
OSV
CVE-2015-8629: The xdr_nullstring function in lib/kadm5/kadm_rpc_xdr
osv·2016-02-13·CVSS 5.3
CVE-2015-8629 [MEDIUM] CVE-2015-8629: The xdr_nullstring function in lib/kadm5/kadm_rpc_xdr
The xdr_nullstring function in lib/kadm5/kadm_rpc_xdr.c in kadmind in MIT Kerberos 5 (aka krb5) before 1.13.4 and 1.14.x before 1.14.1 does not verify whether '\0' characters exist as expected, which allows remote authenticated users to obtain sensitive information or cause a denial of service (out-of-bounds read) via a crafted string.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2015-8629 krb5: xdr_nullstring() doesn't check for terminating null character
bugzilla·2016-01-28·CVSS 5.3
CVE-2015-8629 [MEDIUM] CVE-2015-8629 krb5: xdr_nullstring() doesn't check for terminating null character
CVE-2015-8629 krb5: xdr_nullstring() doesn't check for terminating null character
It was reported that in all versions of MIT krb5, an authenticated attacker can cause kadmind to read beyond the end of allocated memory by sending a string without a terminating zero byte. Information leakage may be possible for an attacker with permission to modify the database.
Upstream patch:
https://github.com/krb5/krb5/commit/df17a1224a3406f57477bcd372c61e04c0e5a5bb
Discussion:
Created krb5 tracking bugs for this issue:
Affects: fedora-all [bug 1302618]
---
Upstream bug report:
http://krbdev.mit.edu/rt/Ticket/Display.html?id=8341
Fixed upstream in krb5 1.14.1:
http://web.mit.edu/kerberos/krb5-1.14/krb5-1.14.1.html
The upstream bug report also indicates the issue will be fixed in 1.13.4.
---
Bugzilla
CVE-2015-8629 krb5: xdr_nullstring() doesn't check for terminating null character [fedora-all]
bugzilla·2016-01-28·CVSS 5.3
CVE-2015-8629 [MEDIUM] CVE-2015-8629 krb5: xdr_nullstring() doesn't check for terminating null character [fedora-all]
CVE-2015-8629 krb5: xdr_nullstring() doesn't check for terminating null character [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of Fedora.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple suppo
http://krbdev.mit.edu/rt/Ticket/Display.html?id=8341http://lists.opensuse.org/opensuse-updates/2016-02/msg00059.htmlhttp://lists.opensuse.org/opensuse-updates/2016-02/msg00110.htmlhttp://rhn.redhat.com/errata/RHSA-2016-0493.htmlhttp://rhn.redhat.com/errata/RHSA-2016-0532.htmlhttp://www.debian.org/security/2016/dsa-3466http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlhttp://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.htmlhttp://www.securityfocus.com/bid/82801http://www.securitytracker.com/id/1034914https://github.com/krb5/krb5/commit/df17a1224a3406f57477bcd372c61e04c0e5a5bbhttp://krbdev.mit.edu/rt/Ticket/Display.html?id=8341http://lists.opensuse.org/opensuse-updates/2016-02/msg00059.htmlhttp://lists.opensuse.org/opensuse-updates/2016-02/msg00110.htmlhttp://rhn.redhat.com/errata/RHSA-2016-0493.htmlhttp://rhn.redhat.com/errata/RHSA-2016-0532.htmlhttp://www.debian.org/security/2016/dsa-3466http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlhttp://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.htmlhttp://www.securityfocus.com/bid/82801http://www.securitytracker.com/id/1034914https://github.com/krb5/krb5/commit/df17a1224a3406f57477bcd372c61e04c0e5a5bb
2016-02-13
Published