CVE-2020-5210 Medium · 5.0 EPSS 0.8%
NetHack command line -w option parsing is subject to a buffer overflow
NetHack · NetHack
Official description · CVE.org
In NetHack before 3.6.5, an invalid argument to the -w command line option can cause a buffer overflow resulting in a crash or remote code execution/privilege escalation. This vulnerability affects systems that have NetHack installed suid/sgid and shared systems that allow users to influence command line options. Users should upgrade to NetHack 3.6.5.
Priority scorePatchfirst’s 0 to 100 ranking. It adds points for CISA KEV listing, ransomware use, EPSS, threat reports, public exploit code and CVSS. Every CVE page shows the breakdown. Breakdown
14.8 / 100
- Exploited
- Not confirmed
- Reports
- 0
- Tactics
- 3/15
How an attack unfolds
Based on MITRE ATT&CKA public catalogue of the techniques attackers use, maintained by MITRE. Patchfirst uses it to describe what attackers do with a vulnerability. mappings. Select a step to see the evidence.Exploitation timelineDated milestones for a CVE: when it was disclosed, when exploit code became public, when exploitation was confirmed, and when threat reports named it.
Disclosed on 28 Jan 2020. No public exploit code or confirmed exploitation is recorded.
MITRE ATT&CKA public catalogue of the techniques attackers use, maintained by MITRE. Patchfirst uses it to describe what attackers do with a vulnerability. techniques
2 TechniqueOne specific attacker behaviour in MITRE ATT&CK, such as T1190 “Exploit Public-Facing Application”. IDs with a dot, like T1059.004, are sub-techniques., grouped by TacticThe attacker’s goal at a stage of an attack in MITRE ATT&CK, such as Initial Access or Persistence. Each technique belongs to one or more tactics. in kill-chain order 2ExecutionTA0002
MITRE CTID mapping of the CVE · primary impact
ImpactTA0040
Application or System Exploitation T1499.004
MITRE CTID mapping of the CVE · primary impact
Detection
0 rules for this CVE · 11 general rules for its techniquesRules for this CVE
0Sigma ruleAn open, vendor-neutral detection rule for log data. Security teams convert Sigma rules into searches for their own SIEM. that reference CVE-2020-5210 directly.CVE-specific rules are not available in this build. Search SigmaHQ ↗
General rules for this CVE’s techniques
These detect the technique in general, not this specific vulnerability.
Hijack Execution FlowT15748 general rules
- Exploiting SetupComplete.cmd CVE-2019-1378hightest
- Potential PrintNightmare Exploitation Attempthightest
- Suspicious Printer Driver Empty Manufacturerhightest
- DLL Execution Via Register-cimprovider.exemediumtest
- Potential Initial Access via DLL Search Order Hijackingmediumtest
- Potential Registry Persistence Attempt Via DbgManagedDebuggermediumtest
- Regsvr32 DLL Execution With Uncommon Extensionmediumtest
- Windows Spooler Service Suspicious Binary Loadinformationaltest
Application or System ExploitationT1499.0043 general rules
- Audit CVE Eventcriticaltest
- Apache Segmentation Faulthightest
- Nginx Core Dumphightest
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