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CVE-2018-14618
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CVE-2018-14618
MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Topic Tags
Description
curl before version 7.61.1 is vulnerable to a buffer overrun in the NTLM authentication code. The internal function Curl_ntlm_core_mk_nt_hash multiplies the length of the password by two (SUM) to figure out how large temporary storage area to allocate from the heap. The length value is then subsequently used to iterate over the password and generate output into the allocated storage buffer. On systems with a 32 bit size_t, the math to calculate SUM triggers an integer overflow when the password length exceeds 2GB (2^31 bytes). This integer overflow usually causes a very small buffer to actually get allocated instead of the intended very huge one, making the use of that buffer end up in a heap buffer overflow. (This bug is almost identical to CVE-2017-8816.)
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CVSS V3 Severity and Metrics
General Information
Vendors
- canonical,
- debian,
- haxx,
- redhat
Products
- debian linux 9.0,
- enterprise linux 6.0,
- enterprise linux 7.0,
- enterprise linux 7.4,
- enterprise linux 7.5,
- enterprise linux 7.6,
- libcurl,
- ubuntu linux 12.04,
- ubuntu linux 14.04,
- ubuntu linux 16.04,
- ubuntu linux 18.04
References
Advisory
Additional Info
Technical Analysis
Report as Emergent Threat Response
Report as Exploited in the Wild
CVE ID
AttackerKB requires a CVE ID in order to pull vulnerability data and references from the CVE list and the National Vulnerability Database. If available, please supply below:
