CVE-2018-15473

MEDIUM

Description

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.

References

http://www.openwall.com/lists/oss-security/2018/08/15/5

http://www.securityfocus.com/bid/105140

http://www.securitytracker.com/id/1041487

https://access.redhat.com/errata/RHSA-2019:0711

https://bugs.debian.org/906236

https://github.com/openbsd/src/commit/779974d35b4859c07bc3cb8a12c74b43b0a7d1e0

https://lists.debian.org/debian-lts-announce/2018/08/msg00022.html

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0011

https://security.gentoo.org/glsa/201810-03

https://security.netapp.com/advisory/ntap-20181101-0001/

https://usn.ubuntu.com/3809-1/

https://www.debian.org/security/2018/dsa-4280

https://www.exploit-db.com/exploits/45210/

https://www.exploit-db.com/exploits/45233/

https://www.exploit-db.com/exploits/45939/

Details

Source: MITRE

Published: 2018-08-17

Updated: 2019-04-16

Type: CWE-200

Risk Information

CVSS v2.0

Base Score: 5

Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3.0

Base Score: 5.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Impact Score: 1.4

Exploitability Score: 3.9

Severity: MEDIUM