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    CVE-2008-0948

    Buffer overflow in the RPC library (lib/rpc/rpc_dtablesize.c) used by libgssrpc and kadmind in MIT Kerberos 5 (krb5) 1.2.2, and probably other versions before 1.3, when running on systems whose unistd.h does not define the FD_SETSIZE macro, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code by triggering a large number of open file descriptors.

    Published:Mar 18, 2008
    Last Modified:Apr 23, 2026
    EPS:Mar 19, 2008
    EPSS Score:0.1596
    CVSS Score:9.3

    Affected Products

    Vendor
    Mit
    Product
    Kerberos 5
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    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.opensuse.org/opensuse-security-announce/2008-03/msg00006.html
    http://marc.info/?l=bugtraq&m=130497213107107&w=2
    http://secunia.com/advisories/29423
    http://secunia.com/advisories/29424
    http://secunia.com/advisories/29428
    http://secunia.com/advisories/29663
    http://secunia.com/advisories/30535
    http://securityreason.com/securityalert/3752
    http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5022520.html
    http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5022542.html
    http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2008-002.txt
    http://www.kb.cert.org/vuls/id/374121
    http://www.redhat.com/support/errata/RHSA-2008-0181.html
    http://www.securityfocus.com/archive/1/489762/100/0/threaded
    http://www.securityfocus.com/archive/1/489784/100/0/threaded
    http://www.securityfocus.com/archive/1/493080/100/0/threaded
    http://www.securityfocus.com/bid/28302
    http://www.securitytracker.com/id?1019631
    http://www.us-cert.gov/cas/techalerts/TA08-079B.html
    http://www.vmware.com/security/advisories/VMSA-2008-0009.html
    http://www.vupen.com/english/advisories/2008/0922/references
    http://www.vupen.com/english/advisories/2008/1102/references
    http://www.vupen.com/english/advisories/2008/1744
    https://exchange.xforce.ibmcloud.com/vulnerabilities/41274
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9209
    http://lists.opensuse.org/opensuse-security-announce/2008-03/msg00006.html
    http://marc.info/?l=bugtraq&m=130497213107107&w=2
    http://secunia.com/advisories/29423
    http://secunia.com/advisories/29424
    http://secunia.com/advisories/29428
    http://secunia.com/advisories/29663
    http://secunia.com/advisories/30535
    http://securityreason.com/securityalert/3752
    http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5022520.html
    http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5022542.html
    http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2008-002.txt
    http://www.kb.cert.org/vuls/id/374121
    http://www.redhat.com/support/errata/RHSA-2008-0181.html
    http://www.securityfocus.com/archive/1/489762/100/0/threaded
    http://www.securityfocus.com/archive/1/489784/100/0/threaded
    http://www.securityfocus.com/archive/1/493080/100/0/threaded
    http://www.securityfocus.com/bid/28302
    http://www.securitytracker.com/id?1019631
    http://www.us-cert.gov/cas/techalerts/TA08-079B.html
    http://www.vmware.com/security/advisories/VMSA-2008-0009.html
    http://www.vupen.com/english/advisories/2008/0922/references
    http://www.vupen.com/english/advisories/2008/1102/references
    http://www.vupen.com/english/advisories/2008/1744
    https://exchange.xforce.ibmcloud.com/vulnerabilities/41274
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9209

    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