CVE-2018-15473

OpenSSH through 7.7 is prone to a user enumeration vulnerability due to not delaying bailout for an invalid authenticating user until after the packet containing the request has been fully parsed, related to auth2-gss.c, auth2-hostbased.c, and auth2-pubkey.c.
Race Condition
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
mitreCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 99%
VendorProductVersion
openbsdopenssh
𝑥
≤ 7.7
debiandebian_linux
8.0
debiandebian_linux
9.0
redhatenterprise_linux_desktop
6.0
redhatenterprise_linux_desktop
7.0
redhatenterprise_linux_server
6.0
redhatenterprise_linux_server
7.0
redhatenterprise_linux_workstation
6.0
redhatenterprise_linux_workstation
7.0
canonicalubuntu_linux
14.04
canonicalubuntu_linux
16.04
canonicalubuntu_linux
18.04
netappcn1610_firmware
-
netappaff_baseboard_management_controller
-
netappcloud_backup
-
netappdata_ontap_edge
-
netappfas_baseboard_management_controller
-
netapponcommand_unified_manager
9.4 ≤
netappontap_select_deploy
-
netappservice_processor
-
netappsteelstore_cloud_integrated_storage
-
netappvirtual_storage_console
7.2 ≤
netappclustered_data_ontap
-
netappdata_ontap
-
netappvasa_provider
7.2 ≤
netappstorage_replication_adapter
7.2 ≤
oraclesun_zfs_storage_appliance_kit
8.8.6
siemensscalance_x204rna_firmware
𝑥
< 3.2.7
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
openssh
bullseye (security)
1:8.4p1-5+deb11u3
fixed
bullseye
1:8.4p1-5+deb11u3
fixed
bookworm
1:9.2p1-2+deb12u3
fixed
bookworm (security)
1:9.2p1-2+deb12u3
fixed
sid
1:9.9p1-3
fixed
trixie
1:9.9p1-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
openssh
hirsute
not-affected
groovy
not-affected
focal
not-affected
eoan
not-affected
disco
not-affected
cosmic
Fixed 1:7.7p1-4
released
bionic
Fixed 1:7.6p1-4ubuntu0.1
released
xenial
Fixed 1:7.2p2-4ubuntu2.6
released
trusty
Fixed 1:6.6p1-2ubuntu2.11
released
openssh-ssh1
hirsute
not-affected
groovy
not-affected
focal
not-affected
eoan
not-affected
disco
not-affected
cosmic
not-affected
bionic
not-affected
xenial
dne
trusty
dne
References