Home/CVE/Stack-based buffer overflow in Firebird 2.1.3 through 2.1.5 before 18514, and 2.5.1 through 2.5.3 before 26623, on Windo
CVE

CVE-2013-2492

Stack-based buffer overflow in Firebird 2.1.3 through 2.1.5 before 18514, and 2.5.1 through 2.5.3 before 26623, on Windo

Stack-based buffer overflow in Firebird 2.1.3 through 2.1.5 before 18514, and 2.5.1 through 2.5.3 before 26623, on Windows allows remote attackers to execute arbitrary code via a crafted packet to TCP port 3050, related to a missing size check during extraction of a group number from CNCT information.

MEDIUM · CVSS 6.8 EPSS 0.86704
Act now
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 1% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
Sigma rules7 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
▤

Affected Products & Versions

1
firebirdsql firebirdall versions
⚠

Public Exploits & PoCs

4
localFirebird - Relational Database CNCT Group Number Buffer Overflow (Metasploit)verified
poctracker.firebirdsql.org · CORE-4058tracker.firebirdsql.org
pocgist.github.com · 85daef257831d904479cgist.github.com
pocgithub.com · fb_cnct_group.rbgithub.com
◈

Sigma Hunt Rules

7
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productcriticalHackTool - Windows Credential Editor (WCE) Execution
productcriticalWindows Credential Editor Registry
producthighOpenCanary - MSSQL Login Attempt Via Windows Authentication
producthighWindows LAPS Credential Dump From Entra ID
producthighTamper Windows Defender - PSClassic
producthighTamper Windows Defender Remove-MpPreference - ScriptBlockLogging
▣

Scoring & Timeline

6.8
MEDIUM · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:M/Au:N/C:P/I:P/A:P
Published to NVD15 Mar 2013 · 10:55 PM
⚑

Vendor Advisories

1
suse-csafopenSUSE-SU-2024:10315-1
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2013-03/msg00036.html
http://lists.opensuse.org/opensuse-security-announce/2013-03/msg00039.html
http://www.debian.org/security/2013/dsa-2647
http://www.debian.org/security/2013/dsa-2648
http://www.securityfocus.com/bid/58393
https://security.gentoo.org/glsa/201512-11
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