CVE-2012-1836
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.
02 Description
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.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 6.81% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 93.9% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2012-03-22 01:00Z14 YR AGO
- Last updated
- 2024-08-06 19:08Z2 YR AGO
- Reserved
- 2012-03-21
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
- Data version
- 5.1
- Document digest
- 874f13e76b5a8f4ae168a3bc0611349492f866ddcae16a1173b1e00cacfb3e48
05 Affected products
06 References
- www.securityfocus.com52561http://www.securityfocus.com/bid/52561
- osvdb.org80263http://osvdb.org/80263
- www.debian.orgDSA-2448http://www.debian.org/security/2012/dsa-2448
- exchange.xforce.ibmcloud.cominspircd-dns-bo(74157)https://exchange.xforce.ibmcloud.com/vulnerabilities/74157
- secunia.com48474http://secunia.com/advisories/48474
- github.comhttps://github.com/inspircd/inspircd/commit/fe7dbd2c104c37f6f3af7d9f1646a3c332aea4a4
- www.kb.cert.orgVU#212651http://www.kb.cert.org/vuls/id/212651
07 Fixed in
Debian 12
- inspircd Fixed in 2.0.5-0.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- inspircd Fixed in 2.0.5-0.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.