CVE-2019-17498
Description
In libssh2 v1.9.0 and earlier versions, the SSH_MSG_DISCONNECT logic in packet.c has an integer overflow in a bounds check, enabling an attacker to specify an arbitrary (out-of-bounds) offset for a subsequent memory read. A crafted 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.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:RUser InteractionRequired
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:NIntegrityNone
A:HAvailabilityHigh
Weaknesses
Affected Products
netapp
commercial·US
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
Сообщество свободного программного обеспечения
oss-projectaka fsf
АО «ИВК»
commercial·RUaka ivk
АО «НППКТ»
commercial·RU
АО «Концерн ВНИИНС»
commercial·RUaka ao konsern vniins
and 5 more affected products View all →
Exploitability
4 exploit sources identified
Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.
View exploit details Official Patch Available
Attack Graph
Products CVE Techniques Tactics
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MITRE ATT&CK
1 technique Initial Access
References
https://github.com/libssh2/libssh2/blob/42d37aa63129a1b2644bf6495198923534322d64/src/packet.c#L480
github.com
https://blog.semmle.com/libssh2-integer-overflow-CVE-2019-17498/
blog.semmle.com
https://github.com/kevinbackhouse/SecurityExploits/tree/8cbdbbe6363510f7d9ceec685373da12e6fc752d/libssh2/out_of_bounds_read_disconnect_CVE-2019-17498
github.com
and 32 more references View all →
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