Ubuntu.comUB:CVE-2019-13115CVE-2019-13115
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
5.8 Medium
CVSS2
Access Vector
NETWORK
Access 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
0.003 Low
EPSS
Percentile
68.7%
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.
Related
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
5.8 Medium
CVSS2
Access Vector
NETWORK
Access 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
0.003 Low
EPSS
Percentile
68.7%