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    CVE-2014-9422

    The check_rpcsec_auth function in kadmin/server/kadm_rpc_svc.c in kadmind in MIT Kerberos 5 (aka krb5) through 1.11.5, 1.12.x through 1.12.2, and 1.13.x before 1.13.1 allows remote authenticated users to bypass a kadmin/* authorization check and obtain administrative access by leveraging access to a two-component principal with an initial "kadmind" substring, as demonstrated by a "ka/x" principal.

    Published:Feb 3, 2015
    Last Modified:Apr 12, 2025
    EPS:Feb 19, 2015
    EPSS Score:0.0102
    CVSS Score:6.1

    Affected Products

    Vendor
    Mit
    Product
    Kerberos 5
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-10 Buffer Overflow via Environment Variables
    CAPEC-120 Double Encoding
    CAPEC-14 Client-side Injection-induced Buffer Overflow
    CAPEC-15 Command Delimiters
    CAPEC-182 Flash Injection
    CAPEC-19 Embedding Scripts within Scripts
    CAPEC-24 Filter Failure through Buffer Overflow
    CAPEC-267 Leverage Alternate Encoding
    CAPEC-3 Using Leading 'Ghost' Character Sequences to Bypass Input Filters
    CAPEC-41 Using Meta-characters in E-mail Headers to Inject Malicious Payloads
    CAPEC-43 Exploiting Multiple Input Interpretation Layers
    CAPEC-44 Overflow Binary Resource File
    CAPEC-441 Malicious Logic Insertion
    CAPEC-45 Buffer Overflow via Symbolic Links
    CAPEC-46 Overflow Variables and Tags
    CAPEC-47 Buffer Overflow via Parameter Expansion
    CAPEC-478 Modification of Windows Service Configuration
    CAPEC-479 Malicious Root Certificate
    CAPEC-502 Intent Spoof
    CAPEC-503 WebView Exposure
    CAPEC-52 Embedding NULL Bytes
    CAPEC-53 Postfix, Null Terminate, and Backslash
    CAPEC-536 Data Injected During Configuration
    CAPEC-546 Incomplete Data Deletion in a Multi-Tenant Environment
    CAPEC-550 Install New Service
    CAPEC-551 Modify Existing Service
    CAPEC-552 Install Rootkit
    CAPEC-556 Replace File Extension Handlers
    CAPEC-558 Replace Trusted Executable
    CAPEC-562 Modify Shared File
    CAPEC-563 Add Malicious File to Shared Webroot
    CAPEC-564 Run Software at Logon
    CAPEC-578 Disable Security Software
    CAPEC-6 Argument Injection
    CAPEC-64 Using Slashes and URL Encoding Combined to Bypass Validation Logic
    CAPEC-67 String Format Overflow in syslog()
    CAPEC-7 Blind SQL Injection
    CAPEC-71 Using Unicode Encoding to Bypass Validation Logic
    CAPEC-73 User-Controlled Filename
    CAPEC-78 Using Escaped Slashes in Alternate Encoding
    CAPEC-79 Using Slashes in Alternate Encoding
    CAPEC-8 Buffer Overflow in an API Call
    CAPEC-80 Using UTF-8 Encoding to Bypass Validation Logic
    CAPEC-88 OS Command Injection
    CAPEC-9 Buffer Overflow in Local Command-Line Utilities
    CAPEC-92 Forced Integer Overflow

    Related CVEs

    CVE-2026-40356 (CVSS 5.9) — In MIT Kerberos 5 (aka krb5) before 1.22.3, there is an integer underflow and resultant out-of-bounds read if …
    CVE-2026-40355 (CVSS 5.9) — In MIT Kerberos 5 (aka krb5) before 1.22.3, there is a NULL pointer dereference if an application calls gss_ac…
    CVE-2024-37370 (CVSS 7.5) — In MIT Kerberos 5 (aka krb5) before 1.21.3, an attacker can modify the plaintext Extra Count field of a confid…
    CVE-2024-37371 (CVSS 9.1) — In MIT Kerberos 5 (aka krb5) before 1.21.3, an attacker can cause invalid memory reads during GSS message toke…
    CVE-2024-26462 (CVSS 5.5) — Kerberos 5 (aka krb5) 1.21.2 contains a memory leak vulnerability in /krb5/src/kdc/ndr.c.…
    CVE-2024-26461 (CVSS 7.5) — Kerberos 5 (aka krb5) 1.21.2 contains a memory leak vulnerability in /krb5/src/lib/gssapi/krb5/k5sealv3.c.…
    CVE-2024-26458 (CVSS 5.3) — Kerberos 5 (aka krb5) 1.21.2 contains a memory leak in /krb5/src/lib/rpc/pmap_rmt.c.…
    CVE-2025-24528 (CVSS 7.1) — In MIT Kerberos 5 (aka krb5) before 1.22 (with incremental propagation), there is an integer overflow for a la…
    CVE-2023-39975 (CVSS 8.8) — kdc/do_tgs_req.c in MIT Kerberos 5 (aka krb5) 1.21 before 1.21.2 has a double free that is reachable if an aut…
    CVE-2023-36054 (CVSS 6.5) — lib/kadm5/kadm_rpc_xdr.c in MIT Kerberos 5 (aka krb5) before 1.20.2 and 1.21.x before 1.21.1 frees an uninitia…

    References

    http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151103.html
    http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151437.html
    http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00011.html
    http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00016.html
    http://lists.opensuse.org/opensuse-updates/2015-02/msg00044.html
    http://rhn.redhat.com/errata/RHSA-2015-0439.html
    http://rhn.redhat.com/errata/RHSA-2015-0794.html
    http://web.mit.edu/kerberos/advisories/2015-001-patch-r113.txt
    http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2015-001.txt
    http://www.debian.org/security/2015/dsa-3153
    http://www.mandriva.com/security/advisories?name=MDVSA-2015:069
    http://www.securityfocus.com/bid/72494
    http://www.ubuntu.com/usn/USN-2498-1
    https://github.com/krb5/krb5/commit/6609658db0799053fbef0d7d0aa2f1fd68ef32d8
    http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151103.html
    http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151437.html
    http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00011.html
    http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00016.html
    http://lists.opensuse.org/opensuse-updates/2015-02/msg00044.html
    http://rhn.redhat.com/errata/RHSA-2015-0439.html
    http://rhn.redhat.com/errata/RHSA-2015-0794.html
    http://web.mit.edu/kerberos/advisories/2015-001-patch-r113.txt
    http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2015-001.txt
    http://www.debian.org/security/2015/dsa-3153
    http://www.mandriva.com/security/advisories?name=MDVSA-2015:069
    http://www.securityfocus.com/bid/72494
    http://www.ubuntu.com/usn/USN-2498-1
    https://github.com/krb5/krb5/commit/6609658db0799053fbef0d7d0aa2f1fd68ef32d8

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High