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    CVE-2008-4309

    Integer overflow in the netsnmp_create_subtree_cache function in agent/snmp_agent.c in net-snmp 5.4 before 5.4.2.1, 5.3 before 5.3.2.3, and 5.2 before 5.2.5.1 allows remote attackers to cause a denial of service (crash) via a crafted SNMP GETBULK request, which triggers a heap-based buffer overflow, related to the number of responses or repeats.

    Published:Oct 31, 2008
    Last Modified:May 28, 2026
    EPS:Oct 31, 2008
    EPSS Score:0.11144
    CVSS Score:7.5

    Affected Products

    Vendor
    Net-snmp
    Product
    Net-snmp
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-10 Buffer Overflow via Environment Variables
    CAPEC-101 Server Side Include (SSI) Injection
    CAPEC-104 Cross Zone Scripting
    CAPEC-108 Command Line Execution through SQL Injection
    CAPEC-109 Object Relational Mapping Injection
    CAPEC-110 SQL Injection through SOAP Parameter Tampering
    CAPEC-120 Double Encoding
    CAPEC-13 Subverting Environment Variable Values
    CAPEC-135 Format String Injection
    CAPEC-136 LDAP Injection
    CAPEC-14 Client-side Injection-induced Buffer Overflow
    CAPEC-153 Input Data Manipulation
    CAPEC-182 Flash Injection
    CAPEC-209 XSS Using MIME Type Mismatch
    CAPEC-22 Exploiting Trust in Client
    CAPEC-23 File Content Injection
    CAPEC-230 Serialized Data with Nested Payloads
    CAPEC-231 Oversized Serialized Data Payloads
    CAPEC-24 Filter Failure through Buffer Overflow
    CAPEC-250 XML Injection
    CAPEC-261 Fuzzing for garnering other adjacent user/sensitive data
    CAPEC-267 Leverage Alternate Encoding
    CAPEC-28 Fuzzing
    CAPEC-3 Using Leading 'Ghost' Character Sequences to Bypass Input Filters
    CAPEC-31 Accessing/Intercepting/Modifying HTTP Cookies
    CAPEC-42 MIME Conversion
    CAPEC-43 Exploiting Multiple Input Interpretation Layers
    CAPEC-45 Buffer Overflow via Symbolic Links
    CAPEC-46 Overflow Variables and Tags
    CAPEC-47 Buffer Overflow via Parameter Expansion
    CAPEC-473 Signature Spoof
    CAPEC-52 Embedding NULL Bytes
    CAPEC-53 Postfix, Null Terminate, and Backslash
    CAPEC-588 DOM-Based XSS
    CAPEC-63 Cross-Site Scripting (XSS)
    CAPEC-64 Using Slashes and URL Encoding Combined to Bypass Validation Logic
    CAPEC-664 Server Side Request Forgery
    CAPEC-67 String Format Overflow in syslog()
    CAPEC-7 Blind SQL Injection
    CAPEC-71 Using Unicode Encoding to Bypass Validation Logic
    CAPEC-72 URL Encoding
    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-81 Web Server Logs Tampering
    CAPEC-83 XPath Injection
    CAPEC-85 AJAX Footprinting
    CAPEC-88 OS Command Injection
    CAPEC-9 Buffer Overflow in Local Command-Line Utilities
    CAPEC-92 Forced Integer Overflow

    Related CVEs

    CVE-2026-89147 (CVSS 8.7) — Net-SNMP through 5.9.5.2 contains a denial of service vulnerability in the SMUX module where smux_accept() per…
    CVE-2025-68615 (CVSS 9.8) — net-snmp is a SNMP application library, tools and daemon. Prior to versions 5.9.5 and 5.10.pre2, a specially c…
    CVE-2022-44792 (CVSS 6.5) — handle_ipDefaultTTL in agent/mibgroup/ip-mib/ip_scalars.c in Net-SNMP 5.8 through 5.9.3 has a NULL Pointer Exc…
    CVE-2022-44793 (CVSS 6.5) — handle_ipv6IpForwarding in agent/mibgroup/ip-mib/ip_scalars.c in Net-SNMP 5.4.3 through 5.9.3 has a NULL Point…
    CVE-2022-24810 (CVSS 6.5) — net-snmp provides various tools relating to the Simple Network Management Protocol. Prior to version 5.9.2, a …
    CVE-2022-24808 (CVSS 6.5) — net-snmp provides various tools relating to the Simple Network Management Protocol. Prior to version 5.9.2, a …
    CVE-2022-24805 (CVSS 6.5) — net-snmp provides various tools relating to the Simple Network Management Protocol. Prior to version 5.9.2, a …
    CVE-2022-24806 (CVSS 6.5) — net-snmp provides various tools relating to the Simple Network Management Protocol. Prior to version 5.9.2, a …
    CVE-2022-24809 (CVSS 6.5) — net-snmp provides various tools relating to the Simple Network Management Protocol. Prior to version 5.9.2, a …
    CVE-2022-24807 (CVSS 6.5) — net-snmp provides various tools relating to the Simple Network Management Protocol. Prior to version 5.9.2, a …

    References

    http://lists.apple.com/archives/security-announce/2009/May/msg00002.html
    http://lists.apple.com/archives/security-announce/2010//Dec/msg00001.html
    http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00000.html
    http://marc.info/?l=bugtraq&m=125017764422557&w=2
    http://net-snmp.svn.sourceforge.net/viewvc/net-snmp/tags/Ext-5-2-5-1/net-snmp/agent/snmp_agent.c?r1=17271&r2=17272&pathrev=17272
    http://secunia.com/advisories/32539
    http://secunia.com/advisories/32560
    http://secunia.com/advisories/32664
    http://secunia.com/advisories/32711
    http://secunia.com/advisories/33003
    http://secunia.com/advisories/33095
    http://secunia.com/advisories/33631
    http://secunia.com/advisories/33746
    http://secunia.com/advisories/33821
    http://secunia.com/advisories/35074
    http://secunia.com/advisories/35679
    http://security.gentoo.org/glsa/glsa-200901-15.xml
    http://sourceforge.net/forum/forum.php?forum_id=882903
    http://sunsolve.sun.com/search/document.do?assetkey=1-26-262908-1
    http://support.apple.com/kb/HT3549
    http://support.apple.com/kb/HT4298
    http://support.avaya.com/elmodocs2/security/ASA-2008-467.htm
    http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0315
    http://www.debian.org/security/2008/dsa-1663
    http://www.mandriva.com/security/advisories?name=MDVSA-2008:225
    http://www.openwall.com/lists/oss-security/2008/10/31/1
    http://www.redhat.com/support/errata/RHSA-2008-0971.html
    http://www.securityfocus.com/archive/1/498280/100/0/threaded
    http://www.securityfocus.com/bid/32020
    http://www.securitytracker.com/id?1021129
    http://www.ubuntu.com/usn/usn-685-1
    http://www.us-cert.gov/cas/techalerts/TA09-133A.html
    http://www.vmware.com/security/advisories/VMSA-2009-0001.html
    http://www.vupen.com/english/advisories/2008/2973
    http://www.vupen.com/english/advisories/2008/3400
    http://www.vupen.com/english/advisories/2009/0301
    http://www.vupen.com/english/advisories/2009/1297
    http://www.vupen.com/english/advisories/2009/1771
    https://exchange.xforce.ibmcloud.com/vulnerabilities/46262
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6171
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6353
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9860
    http://lists.apple.com/archives/security-announce/2009/May/msg00002.html
    http://lists.apple.com/archives/security-announce/2010//Dec/msg00001.html
    http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00000.html
    http://marc.info/?l=bugtraq&m=125017764422557&w=2
    http://net-snmp.svn.sourceforge.net/viewvc/net-snmp/tags/Ext-5-2-5-1/net-snmp/agent/snmp_agent.c?r1=17271&r2=17272&pathrev=17272
    http://secunia.com/advisories/32539
    http://secunia.com/advisories/32560
    http://secunia.com/advisories/32664
    http://secunia.com/advisories/32711
    http://secunia.com/advisories/33003
    http://secunia.com/advisories/33095
    http://secunia.com/advisories/33631
    http://secunia.com/advisories/33746
    http://secunia.com/advisories/33821
    http://secunia.com/advisories/35074
    http://secunia.com/advisories/35679
    http://security.gentoo.org/glsa/glsa-200901-15.xml
    http://sourceforge.net/forum/forum.php?forum_id=882903
    http://sunsolve.sun.com/search/document.do?assetkey=1-26-262908-1
    http://support.apple.com/kb/HT3549
    http://support.apple.com/kb/HT4298
    http://support.avaya.com/elmodocs2/security/ASA-2008-467.htm
    http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0315
    http://www.debian.org/security/2008/dsa-1663
    http://www.mandriva.com/security/advisories?name=MDVSA-2008:225
    http://www.openwall.com/lists/oss-security/2008/10/31/1
    http://www.redhat.com/support/errata/RHSA-2008-0971.html
    http://www.securityfocus.com/archive/1/498280/100/0/threaded
    http://www.securityfocus.com/bid/32020
    http://www.securitytracker.com/id?1021129
    http://www.ubuntu.com/usn/usn-685-1
    http://www.us-cert.gov/cas/techalerts/TA09-133A.html
    http://www.vmware.com/security/advisories/VMSA-2009-0001.html
    http://www.vupen.com/english/advisories/2008/2973
    http://www.vupen.com/english/advisories/2008/3400
    http://www.vupen.com/english/advisories/2009/0301
    http://www.vupen.com/english/advisories/2009/1297
    http://www.vupen.com/english/advisories/2009/1771
    https://exchange.xforce.ibmcloud.com/vulnerabilities/46262
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6171
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6353
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9860

    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