dproxy Nexgen dns_decode.c dns_decode_reverse_name stack-based overflow
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
8.8 | $0-$5k | 0.00 |
A vulnerability was found in dproxy Nexgen (Firewall Software). It has been classified as critical. Affected is the function dns_decode_reverse_name
of the file dns_decode.c. The manipulation with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
Stack-based buffer overflow in the dns_decode_reverse_name function in dns_decode.c in dproxy-nexgen allows remote attackers to execute arbitrary code by sending a crafted packet to port 53/udp, a different issue than CVE-2007-1465.
The weakness was released 04/04/2007 with mu-b (Website). The advisory is available at lists.grok.org.uk. This vulnerability is traded as CVE-2007-1866 since 04/04/2007. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known.
A public exploit has been developed in ANSI C. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at X-Force (33753).
Product
Type
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 10.0VulDB Meta Temp Score: 8.8
VulDB Base Score: 10.0
VulDB Temp Score: 8.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Stack-based overflowCWE: CWE-121 / CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
03/22/2007 🔍04/02/2007 🔍
04/04/2007 🔍
04/04/2007 🔍
04/04/2007 🔍
03/13/2015 🔍
08/28/2018 🔍
Sources
Advisory: lists.grok.org.ukOrganization: mu-b
Status: Not defined
CVE: CVE-2007-1866 (🔍)
X-Force: 33753 - dproxy-nexgen dns_decode_reverse_name () function buffer overflow
SecurityFocus: 23243 - DProxy DNS_Decode_Reverse_Name Buffer-Overflow Vulnerability
Secunia: 24688 - dproxy-nexgen "dns_decode_reverse_name" Buffer Overflow Vulnerability, Moderately Critical
Vupen: ADV-2007-1194
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 03/13/2015 14:56Updated: 08/28/2018 07:18
Changes: 03/13/2015 14:56 (52), 08/28/2018 07:18 (12)
Complete: 🔍
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