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CVE-2009-2957

Good to know:

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Date: September 2, 2009

Heap-based buffer overflow in the tftp_request function in tftp.c in dnsmasq before 2.50, when --enable-tftp is used, might allow remote attackers to execute arbitrary code via a long filename in a TFTP packet, as demonstrated by a read (aka RRQ) request.

Language: C

Severity Score

Related Resources (13)

http://www.ubuntu.com/usn/USN-827-1
https://bugzilla.redhat.com/show_bug.cgi?id=519020
http://www.coresecurity.com/content/dnsmasq-vulnerabilities
https://rhn.redhat.com/errata/RHSA-2010-0095.html
https://nvd.nist.gov/vuln/detail/CVE-2009-2957
https://access.redhat.com/security/cve/CVE-2009-2957
http://www.securityfocus.com/bid/36121
http://secunia.com/advisories/36563
https://people.canonical.com/~ubuntu-security/cve/CVE-2009-2957
http://www.redhat.com/support/errata/RHSA-2009-1238.html
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10538
http://www.thekelleys.org.uk/dnsmasq/CHANGELOG
https://www.mend.io/vulnerability-database/CVE-2009-2957

Severity Score

Weakness Type (CWE)

Buffer Errors

CWE-119

Top Fix

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CVSS v3.1

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

CVSS v2

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

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