Vulnerability Monitor

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CVE-2017-18594

nse_libssh2.cc in Nmap 7.70 is subject to a denial of service condition due to a double free when an SSH connection fails, as demonstrated by a leading \n character to ssh-brute.nse or ssh-auth-methods.nse.

Published

2019-08-29T00:15:10.467

Last Modified

2024-11-21T03:20:28.903

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-415

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	nmap	nmap	7.70	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00073.html ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00075.html ([email protected])
https://github.com/AMatchandaHaystack/Research/blob/master/Nmap%26libsshDF Third Party Advisory ([email protected])
https://github.com/nmap/nmap/commit/350bbe0597d37ad67abe5fef8fba984707b4e9ad Patch, Third Party Advisory ([email protected])
https://github.com/nmap/nmap/issues/1077 Patch, Third Party Advisory ([email protected])
https://github.com/nmap/nmap/issues/1227 Exploit, Third Party Advisory ([email protected])
https://seclists.org/nmap-announce/2019/0 Mailing List, Third Party Advisory ([email protected])
https://seclists.org/nmap-dev/2018/q2/45 Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00073.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00075.html (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/AMatchandaHaystack/Research/blob/master/Nmap%26libsshDF Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/nmap/nmap/commit/350bbe0597d37ad67abe5fef8fba984707b4e9ad Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/nmap/nmap/issues/1077 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/nmap/nmap/issues/1227 Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://seclists.org/nmap-announce/2019/0 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://seclists.org/nmap-dev/2018/q2/45 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)