CVE-2018-15800 High · 8.1 EPSS 0.9%
Timing attack allows extraction of signing key in Bits Service
Cloud Foundry · Bits Service Release
Official description · CVE.org
Cloud Foundry Bits Service, versions prior to 2.18.0, includes an information disclosure vulnerability. A remote malicious user may execute a timing attack to brute-force the signing key, allowing them complete read and write access to the the Bits Service storage.
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
17.8 / 100
- Exploited
- Not confirmed
- Reports
- 0
- Tactics
- 5/15
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.How attackers get in
What they do
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 10 Dec 2018. 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 2Initial AccessTA0001
MITRE CTID mapping of the CVE · primary impact
Credential AccessTA0006
Brute Force T1110
MITRE CTID mapping of the CVE · how it is exploited
Detection
0 rules for this CVE · 81 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-2018-15800 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.
Brute ForceT111025 general rules
- External Remote SMB Logon from Public IPhightest
- Hack Tool User Agenthightest
- HackTool - CrackMapExec Executionhightest
- HackTool - Hydra Password Bruteforce Executionhightest
- Password Spray Activityhightest
- Potential MFA Bypass Using Legacy Client Authenticationhightest
- Sign-in Failure Due to Conditional Access Requirements Not Methightest
- Use of Legacy Authentication Protocolshightest
Valid AccountsT107856 general rules
- Win Susp Computer Name Containing Samtheadmincriticaltest
- Account Created And Deleted Within A Close Time Framehightest
- Activity From Anonymous IP Addresshightest
- Atypical Travelhightest
- Azure AD Threat Intelligencehightest
- Azure Subscription Permission Elevation Via AuditLogshightest
- External Remote SMB Logon from Public IPhightest
- Impossible Travelhightest
Sigma rules © SigmaHQ, Detection Rule License 1.1; linked, not reproduced.