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.
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No Fix Known
No patch has been released yet. Apply workarounds or mitigations where available.
| Vendor | Product | Versions | Fixed In |
|---|---|---|---|
| libssh2 | libssh2 | 1.9.0 | - |
| debian | debian_linux | - | - |
| debian | debian_linux | - |
Published
CVE disclosed publicly
Last Modified
Most recent update
Indexed to CVEInsight
Added to this platform
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
9
Affected Products
30
References
libssh2 / libssh2
| - |
| fedoraproject | fedora | - | - |
| fedoraproject | fedora | - | - |
| netapp | cloud_backup | - | - |
| netapp | e-series_santricity_os_controller | 11.0.0 - 11.70.1 | - |
| netapp | ontap_select_deploy_administration_utility | - | - |
| f5 | traffix_systems_signaling_delivery_controller | 5.0.0 - 5.1.0 | - |
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Exploitability
Impact