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Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2018-14618

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.)
Exploit prediction scoring system (EPSS) score
EPSS Score 0.009
EPSS Ranking 75.3%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 10.0
References
Products affected by CVE-2018-14618
  • Haxx » Libcurl » Version: N/A
    cpe:2.3:a:haxx:libcurl:-
  • Haxx » Libcurl » Version: 6.0
    cpe:2.3:a:haxx:libcurl:6.0
  • Haxx » Libcurl » Version: 6.1
    cpe:2.3:a:haxx:libcurl:6.1
  • Haxx » Libcurl » Version: 6.2
    cpe:2.3:a:haxx:libcurl:6.2
  • Haxx » Libcurl » Version: 6.3
    cpe:2.3:a:haxx:libcurl:6.3
  • Haxx » Libcurl » Version: 6.3.1
    cpe:2.3:a:haxx:libcurl:6.3.1
  • Haxx » Libcurl » Version: 6.4
    cpe:2.3:a:haxx:libcurl:6.4
  • Haxx » Libcurl » Version: 6.5
    cpe:2.3:a:haxx:libcurl:6.5
  • Haxx » Libcurl » Version: 6.5.1
    cpe:2.3:a:haxx:libcurl:6.5.1
  • Haxx » Libcurl » Version: 6.5.2
    cpe:2.3:a:haxx:libcurl:6.5.2
  • Haxx » Libcurl » Version: 7.1
    cpe:2.3:a:haxx:libcurl:7.1
  • Haxx » Libcurl » Version: 7.1.1
    cpe:2.3:a:haxx:libcurl:7.1.1
  • Haxx » Libcurl » Version: 7.10
    cpe:2.3:a:haxx:libcurl:7.10
  • Haxx » Libcurl » Version: 7.10.1
    cpe:2.3:a:haxx:libcurl:7.10.1
  • Haxx » Libcurl » Version: 7.10.2
    cpe:2.3:a:haxx:libcurl:7.10.2
  • Haxx » Libcurl » Version: 7.10.3
    cpe:2.3:a:haxx:libcurl:7.10.3
  • Haxx » Libcurl » Version: 7.10.4
    cpe:2.3:a:haxx:libcurl:7.10.4
  • Haxx » Libcurl » Version: 7.10.5
    cpe:2.3:a:haxx:libcurl:7.10.5
  • Haxx » Libcurl » Version: 7.10.6
    cpe:2.3:a:haxx:libcurl:7.10.6
  • Haxx » Libcurl » Version: 7.10.7
    cpe:2.3:a:haxx:libcurl:7.10.7
  • Haxx » Libcurl » Version: 7.10.8
    cpe:2.3:a:haxx:libcurl:7.10.8
  • Haxx » Libcurl » Version: 7.11.0
    cpe:2.3:a:haxx:libcurl:7.11.0
  • Haxx » Libcurl » Version: 7.11.1
    cpe:2.3:a:haxx:libcurl:7.11.1
  • Haxx » Libcurl » Version: 7.11.2
    cpe:2.3:a:haxx:libcurl:7.11.2
  • Haxx » Libcurl » Version: 7.12.0
    cpe:2.3:a:haxx:libcurl:7.12.0
  • Haxx » Libcurl » Version: 7.12.1
    cpe:2.3:a:haxx:libcurl:7.12.1
  • Haxx » Libcurl » Version: 7.12.2
    cpe:2.3:a:haxx:libcurl:7.12.2
  • Haxx » Libcurl » Version: 7.12.3
    cpe:2.3:a:haxx:libcurl:7.12.3
  • Haxx » Libcurl » Version: 7.13.0
    cpe:2.3:a:haxx:libcurl:7.13.0
  • Haxx » Libcurl » Version: 7.13.1
    cpe:2.3:a:haxx:libcurl:7.13.1
  • Haxx » Libcurl » Version: 7.13.2
    cpe:2.3:a:haxx:libcurl:7.13.2
  • Haxx » Libcurl » Version: 7.14.0
    cpe:2.3:a:haxx:libcurl:7.14.0
  • Haxx » Libcurl » Version: 7.14.1
    cpe:2.3:a:haxx:libcurl:7.14.1
  • Haxx » Libcurl » Version: 7.15.0
    cpe:2.3:a:haxx:libcurl:7.15.0
  • Haxx » Libcurl » Version: 7.15.1
    cpe:2.3:a:haxx:libcurl:7.15.1
  • Haxx » Libcurl » Version: 7.15.2
    cpe:2.3:a:haxx:libcurl:7.15.2
  • Haxx » Libcurl » Version: 7.15.3
    cpe:2.3:a:haxx:libcurl:7.15.3
  • Haxx » Libcurl » Version: 7.15.4
    cpe:2.3:a:haxx:libcurl:7.15.4
  • Haxx » Libcurl » Version: 7.15.5
    cpe:2.3:a:haxx:libcurl:7.15.5
  • Haxx » Libcurl » Version: 7.16.0
    cpe:2.3:a:haxx:libcurl:7.16.0
  • Haxx » Libcurl » Version: 7.16.1
    cpe:2.3:a:haxx:libcurl:7.16.1
  • Haxx » Libcurl » Version: 7.16.2
    cpe:2.3:a:haxx:libcurl:7.16.2
  • Haxx » Libcurl » Version: 7.16.3
    cpe:2.3:a:haxx:libcurl:7.16.3
  • Haxx » Libcurl » Version: 7.16.4
    cpe:2.3:a:haxx:libcurl:7.16.4
  • Haxx » Libcurl » Version: 7.17.0
    cpe:2.3:a:haxx:libcurl:7.17.0
  • Haxx » Libcurl » Version: 7.17.1
    cpe:2.3:a:haxx:libcurl:7.17.1
  • Haxx » Libcurl » Version: 7.18.0
    cpe:2.3:a:haxx:libcurl:7.18.0
  • Haxx » Libcurl » Version: 7.18.1
    cpe:2.3:a:haxx:libcurl:7.18.1
  • Haxx » Libcurl » Version: 7.18.2
    cpe:2.3:a:haxx:libcurl:7.18.2
  • Haxx » Libcurl » Version: 7.19.0
    cpe:2.3:a:haxx:libcurl:7.19.0
  • Haxx » Libcurl » Version: 7.19.1
    cpe:2.3:a:haxx:libcurl:7.19.1
  • Haxx » Libcurl » Version: 7.19.2
    cpe:2.3:a:haxx:libcurl:7.19.2
  • Haxx » Libcurl » Version: 7.19.3
    cpe:2.3:a:haxx:libcurl:7.19.3
  • Haxx » Libcurl » Version: 7.19.4
    cpe:2.3:a:haxx:libcurl:7.19.4
  • Haxx » Libcurl » Version: 7.19.5
    cpe:2.3:a:haxx:libcurl:7.19.5
  • Haxx » Libcurl » Version: 7.19.6
    cpe:2.3:a:haxx:libcurl:7.19.6
  • Haxx » Libcurl » Version: 7.19.7
    cpe:2.3:a:haxx:libcurl:7.19.7
  • Haxx » Libcurl » Version: 7.2
    cpe:2.3:a:haxx:libcurl:7.2
  • Haxx » Libcurl » Version: 7.2.1
    cpe:2.3:a:haxx:libcurl:7.2.1
  • Haxx » Libcurl » Version: 7.20.0
    cpe:2.3:a:haxx:libcurl:7.20.0
  • Haxx » Libcurl » Version: 7.20.1
    cpe:2.3:a:haxx:libcurl:7.20.1
  • Haxx » Libcurl » Version: 7.21.0
    cpe:2.3:a:haxx:libcurl:7.21.0
  • Haxx » Libcurl » Version: 7.21.1
    cpe:2.3:a:haxx:libcurl:7.21.1
  • Haxx » Libcurl » Version: 7.21.2
    cpe:2.3:a:haxx:libcurl:7.21.2
  • Haxx » Libcurl » Version: 7.21.3
    cpe:2.3:a:haxx:libcurl:7.21.3
  • Haxx » Libcurl » Version: 7.21.4
    cpe:2.3:a:haxx:libcurl:7.21.4
  • Haxx » Libcurl » Version: 7.21.5
    cpe:2.3:a:haxx:libcurl:7.21.5
  • Haxx » Libcurl » Version: 7.21.6
    cpe:2.3:a:haxx:libcurl:7.21.6
  • Haxx » Libcurl » Version: 7.21.7
    cpe:2.3:a:haxx:libcurl:7.21.7
  • Haxx » Libcurl » Version: 7.22.0
    cpe:2.3:a:haxx:libcurl:7.22.0
  • Haxx » Libcurl » Version: 7.23.0
    cpe:2.3:a:haxx:libcurl:7.23.0
  • Haxx » Libcurl » Version: 7.23.1
    cpe:2.3:a:haxx:libcurl:7.23.1
  • Haxx » Libcurl » Version: 7.24.0
    cpe:2.3:a:haxx:libcurl:7.24.0
  • Haxx » Libcurl » Version: 7.25.0
    cpe:2.3:a:haxx:libcurl:7.25.0
  • Haxx » Libcurl » Version: 7.26.0
    cpe:2.3:a:haxx:libcurl:7.26.0
  • Haxx » Libcurl » Version: 7.27.0
    cpe:2.3:a:haxx:libcurl:7.27.0
  • Haxx » Libcurl » Version: 7.28.0
    cpe:2.3:a:haxx:libcurl:7.28.0
  • Haxx » Libcurl » Version: 7.28.1
    cpe:2.3:a:haxx:libcurl:7.28.1
  • Haxx » Libcurl » Version: 7.29.0
    cpe:2.3:a:haxx:libcurl:7.29.0
  • Haxx » Libcurl » Version: 7.3
    cpe:2.3:a:haxx:libcurl:7.3
  • Haxx » Libcurl » Version: 7.30.0
    cpe:2.3:a:haxx:libcurl:7.30.0
  • Haxx » Libcurl » Version: 7.31.0
    cpe:2.3:a:haxx:libcurl:7.31.0
  • Haxx » Libcurl » Version: 7.32.0
    cpe:2.3:a:haxx:libcurl:7.32.0
  • Haxx » Libcurl » Version: 7.33.0
    cpe:2.3:a:haxx:libcurl:7.33.0
  • Haxx » Libcurl » Version: 7.34.0
    cpe:2.3:a:haxx:libcurl:7.34.0
  • Haxx » Libcurl » Version: 7.35.0
    cpe:2.3:a:haxx:libcurl:7.35.0
  • Haxx » Libcurl » Version: 7.36.0
    cpe:2.3:a:haxx:libcurl:7.36.0
  • Haxx » Libcurl » Version: 7.37.0
    cpe:2.3:a:haxx:libcurl:7.37.0
  • Haxx » Libcurl » Version: 7.37.1
    cpe:2.3:a:haxx:libcurl:7.37.1
  • Haxx » Libcurl » Version: 7.38.0
    cpe:2.3:a:haxx:libcurl:7.38.0
  • Haxx » Libcurl » Version: 7.39
    cpe:2.3:a:haxx:libcurl:7.39
  • Haxx » Libcurl » Version: 7.39.0
    cpe:2.3:a:haxx:libcurl:7.39.0
  • Haxx » Libcurl » Version: 7.4
    cpe:2.3:a:haxx:libcurl:7.4
  • Haxx » Libcurl » Version: 7.4.1
    cpe:2.3:a:haxx:libcurl:7.4.1
  • Haxx » Libcurl » Version: 7.4.2
    cpe:2.3:a:haxx:libcurl:7.4.2
  • Haxx » Libcurl » Version: 7.40.0
    cpe:2.3:a:haxx:libcurl:7.40.0
  • Haxx » Libcurl » Version: 7.41.0
    cpe:2.3:a:haxx:libcurl:7.41.0
  • Haxx » Libcurl » Version: 7.42
    cpe:2.3:a:haxx:libcurl:7.42
  • Haxx » Libcurl » Version: 7.42.0
    cpe:2.3:a:haxx:libcurl:7.42.0
  • Haxx » Libcurl » Version: 7.42.1
    cpe:2.3:a:haxx:libcurl:7.42.1
  • Haxx » Libcurl » Version: 7.43.0
    cpe:2.3:a:haxx:libcurl:7.43.0
  • Haxx » Libcurl » Version: 7.44.0
    cpe:2.3:a:haxx:libcurl:7.44.0
  • Haxx » Libcurl » Version: 7.45.0
    cpe:2.3:a:haxx:libcurl:7.45.0
  • Haxx » Libcurl » Version: 7.46.0
    cpe:2.3:a:haxx:libcurl:7.46.0
  • Haxx » Libcurl » Version: 7.47.0
    cpe:2.3:a:haxx:libcurl:7.47.0
  • Haxx » Libcurl » Version: 7.47.1
    cpe:2.3:a:haxx:libcurl:7.47.1
  • Haxx » Libcurl » Version: 7.48.0
    cpe:2.3:a:haxx:libcurl:7.48.0
  • Haxx » Libcurl » Version: 7.49.0
    cpe:2.3:a:haxx:libcurl:7.49.0
  • Haxx » Libcurl » Version: 7.49.1
    cpe:2.3:a:haxx:libcurl:7.49.1
  • Haxx » Libcurl » Version: 7.5
    cpe:2.3:a:haxx:libcurl:7.5
  • Haxx » Libcurl » Version: 7.5.1
    cpe:2.3:a:haxx:libcurl:7.5.1
  • Haxx » Libcurl » Version: 7.5.2
    cpe:2.3:a:haxx:libcurl:7.5.2
  • Haxx » Libcurl » Version: 7.50.0
    cpe:2.3:a:haxx:libcurl:7.50.0
  • Haxx » Libcurl » Version: 7.50.1
    cpe:2.3:a:haxx:libcurl:7.50.1
  • Haxx » Libcurl » Version: 7.50.2
    cpe:2.3:a:haxx:libcurl:7.50.2
  • Haxx » Libcurl » Version: 7.50.3
    cpe:2.3:a:haxx:libcurl:7.50.3
  • Haxx » Libcurl » Version: 7.51.0
    cpe:2.3:a:haxx:libcurl:7.51.0
  • Haxx » Libcurl » Version: 7.52.0
    cpe:2.3:a:haxx:libcurl:7.52.0
  • Haxx » Libcurl » Version: 7.52.1
    cpe:2.3:a:haxx:libcurl:7.52.1
  • Haxx » Libcurl » Version: 7.53.0
    cpe:2.3:a:haxx:libcurl:7.53.0
  • Haxx » Libcurl » Version: 7.53.1
    cpe:2.3:a:haxx:libcurl:7.53.1
  • Haxx » Libcurl » Version: 7.54.0
    cpe:2.3:a:haxx:libcurl:7.54.0
  • Haxx » Libcurl » Version: 7.54.1
    cpe:2.3:a:haxx:libcurl:7.54.1
  • Haxx » Libcurl » Version: 7.55.0
    cpe:2.3:a:haxx:libcurl:7.55.0
  • Haxx » Libcurl » Version: 7.55.1
    cpe:2.3:a:haxx:libcurl:7.55.1
  • Haxx » Libcurl » Version: 7.56.0
    cpe:2.3:a:haxx:libcurl:7.56.0
  • Haxx » Libcurl » Version: 7.56.1
    cpe:2.3:a:haxx:libcurl:7.56.1
  • Haxx » Libcurl » Version: 7.57.0
    cpe:2.3:a:haxx:libcurl:7.57.0
  • Haxx » Libcurl » Version: 7.58.0
    cpe:2.3:a:haxx:libcurl:7.58.0
  • Haxx » Libcurl » Version: 7.59.0
    cpe:2.3:a:haxx:libcurl:7.59.0
  • Haxx » Libcurl » Version: 7.6
    cpe:2.3:a:haxx:libcurl:7.6
  • Haxx » Libcurl » Version: 7.6.1
    cpe:2.3:a:haxx:libcurl:7.6.1
  • Haxx » Libcurl » Version: 7.60.0
    cpe:2.3:a:haxx:libcurl:7.60.0
  • Haxx » Libcurl » Version: 7.61.0
    cpe:2.3:a:haxx:libcurl:7.61.0
  • Haxx » Libcurl » Version: 7.7
    cpe:2.3:a:haxx:libcurl:7.7
  • Haxx » Libcurl » Version: 7.7.1
    cpe:2.3:a:haxx:libcurl:7.7.1
  • Haxx » Libcurl » Version: 7.7.2
    cpe:2.3:a:haxx:libcurl:7.7.2
  • Haxx » Libcurl » Version: 7.7.3
    cpe:2.3:a:haxx:libcurl:7.7.3
  • Haxx » Libcurl » Version: 7.8
    cpe:2.3:a:haxx:libcurl:7.8
  • Haxx » Libcurl » Version: 7.8.1
    cpe:2.3:a:haxx:libcurl:7.8.1
  • Haxx » Libcurl » Version: 7.9
    cpe:2.3:a:haxx:libcurl:7.9
  • Haxx » Libcurl » Version: 7.9.1
    cpe:2.3:a:haxx:libcurl:7.9.1
  • Haxx » Libcurl » Version: 7.9.2
    cpe:2.3:a:haxx:libcurl:7.9.2
  • Haxx » Libcurl » Version: 7.9.3
    cpe:2.3:a:haxx:libcurl:7.9.3
  • Haxx » Libcurl » Version: 7.9.4
    cpe:2.3:a:haxx:libcurl:7.9.4
  • Haxx » Libcurl » Version: 7.9.5
    cpe:2.3:a:haxx:libcurl:7.9.5
  • Haxx » Libcurl » Version: 7.9.6
    cpe:2.3:a:haxx:libcurl:7.9.6
  • Haxx » Libcurl » Version: 7.9.7
    cpe:2.3:a:haxx:libcurl:7.9.7
  • Haxx » Libcurl » Version: 7.9.8
    cpe:2.3:a:haxx:libcurl:7.9.8
  • Canonical » Ubuntu Linux » Version: 12.04
    cpe:2.3:o:canonical:ubuntu_linux:12.04
  • Canonical » Ubuntu Linux » Version: 14.04
    cpe:2.3:o:canonical:ubuntu_linux:14.04
  • Canonical » Ubuntu Linux » Version: 16.04
    cpe:2.3:o:canonical:ubuntu_linux:16.04
  • Canonical » Ubuntu Linux » Version: 18.04
    cpe:2.3:o:canonical:ubuntu_linux:18.04
  • Debian » Debian Linux » Version: 9.0
    cpe:2.3:o:debian:debian_linux:9.0
  • Redhat » Enterprise Linux » Version: 6.0
    cpe:2.3:o:redhat:enterprise_linux:6.0
  • Redhat » Enterprise Linux » Version: 7.0
    cpe:2.3:o:redhat:enterprise_linux:7.0
  • Redhat » Enterprise Linux » Version: 7.4
    cpe:2.3:o:redhat:enterprise_linux:7.4
  • Redhat » Enterprise Linux » Version: 7.5
    cpe:2.3:o:redhat:enterprise_linux:7.5
  • Redhat » Enterprise Linux » Version: 7.6
    cpe:2.3:o:redhat:enterprise_linux:7.6


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