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cve[email protected]CVE-2019-13115
HistoryJul 16, 2019 - 6:15 p.m.

CVE-2019-13115

2019-07-1618:15:13
CWE-190
CWE-125
[email protected]
web.nvd.nist.gov
290
cve-2019-13115
libssh2
kex_method
diffie_hellman
integer overflow
out-of-bounds read
ssh server
denial of service

5.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

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

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

8.5 High

AI Score

Confidence

High

0.01 Low

EPSS

Percentile

83.9%

JSON

In libssh2 before 1.9.0, kex_method_diffie_hellman_group_exchange_sha256_key_exchange in kex.c has an integer overflow that could lead to an out-of-bounds read in the way packets are read from the server. A remote attacker who compromises a SSH server may be able to disclose sensitive information or cause a denial of service condition on the client system when a user connects to the server. This is related to an _libssh2_check_length mistake, and is different from the various issues fixed in 1.8.1, such as CVE-2019-3855.

Affected configurations

NVD
Node
libssh2libssh2Range<1.9.0
Node
debiandebian_linuxMatch8.0
OR
debiandebian_linuxMatch9.0
Node
fedoraprojectfedoraMatch29
OR
fedoraprojectfedoraMatch30
Node
netappcloud_backupMatch-
OR
netappe-series_santricity_os_controllerRange11.0.0–11.70.1
OR
netappontap_select_deploy_administration_utilityMatch-
Node
f5traffix_systems_signaling_delivery_controllerRange5.0.0–5.1.0
CPENameOperatorVersion
libssh2:libssh2libssh2lt1.9.0

References

Related

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5.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

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

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

8.5 High

AI Score

Confidence

High

0.01 Low

EPSS

Percentile

83.9%

JSON
Related for CVE-2019-13115
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