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CVE-2009-1086

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Date: March 25, 2009

Heap-based buffer overflow in the ldns_rr_new_frm_str_internal function in ldns 1.4.x allows remote attackers to cause a denial of service (memory corruption) and possibly execute arbitrary code via a DNS resource record (RR) with a long (1) class field (clas variable) and possibly (2) TTL field.

Language: C

Severity Score

Related Resources (10)

http://www.openwall.com/lists/oss-security/2009/03/24/4
http://www.securityfocus.com/bid/34233
http://www.nlnetlabs.nl/svn/ldns/tags/release-1.5.0/Changelog
http://www.debian.org/security/2009/dsa-1795
https://nvd.nist.gov/vuln/detail/CVE-2009-1086
http://www.nlnetlabs.nl/bugs/show_bug.cgi?id=232
http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00000.html
http://secunia.com/advisories/35065
http://secunia.com/advisories/35013
https://www.mend.io/vulnerability-database/CVE-2009-1086

Severity Score

Weakness Type (CWE)

Resource Management Errors

CWE-399

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): LOW
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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