Inspire Ircd InspIRCd 2.0.5 dns.cpp memory corruption

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.0$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Inspire Ircd InspIRCd 2.0.5. This affects an unknown function of the file dns.cpp. Executing a manipulation can lead to memory corruption. This vulnerability appears as CVE-2012-1836. There is no available exploit.

Detailsinfo

A vulnerability classified as critical was found in Inspire Ircd InspIRCd 2.0.5. This vulnerability affects an unknown function of the file dns.cpp. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Heap-based buffer overflow in dns.cpp in InspIRCd 2.0.5 might allow remote attackers to execute arbitrary code via a crafted DNS query that uses compression.

The weakness was presented 03/21/2012 as confirmed advisory (CERT.org). The advisory is shared for download at kb.cert.org. This vulnerability was named CVE-2012-1836 since 03/21/2012. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 59618 (GLSA-201204-02 : InspIRCd: Arbitrary code execution), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175366 (Debian Security Update for inspircd (DSA 3226-1)).

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 databases at X-Force (74157), Tenable (59618), OSVDB (80263†) and Vulnerability Center (SBV-34935†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 59618
Nessus Name: GLSA-201204-02 : InspIRCd: Arbitrary code execution
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 71252
OpenVAS Name: Debian Security Advisory DSA 2448-1 (inspircd)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

03/21/2012 🔍
03/21/2012 +0 days 🔍
03/21/2012 +0 days 🔍
03/21/2012 +0 days 🔍
04/23/2012 +33 days 🔍
06/21/2012 +59 days 🔍
03/23/2015 +1005 days 🔍
01/02/2025 +3573 days 🔍

Sourcesinfo

Advisory: dsa-2448
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-1836 (🔍)
GCVE (CVE): GCVE-0-2012-1836
GCVE (VulDB): GCVE-100-60508

OVAL: 🔍

CERT: 🔍
X-Force: 74157
SecurityFocus: 52561
Secunia: 48474
OSVDB: 80263
Vulnerability Center: 34935 - InsplRCd 2.0.5 dns.cpp Buffer Overflow Allows Remote Code Execution via a Crafted DNS Query, High

Entryinfo

Created: 03/23/2015 16:50
Updated: 01/02/2025 13:22
Changes: 03/23/2015 16:50 (57), 04/11/2017 10:57 (9), 11/30/2021 20:21 (6), 11/30/2021 20:27 (1), 11/30/2021 20:35 (1), 12/24/2024 01:27 (21), 01/02/2025 13:22 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!