CVE-2018-15599
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2018-15599
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-15599.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2018-15599
- Downstream
- Related
- Published
- 2018-08-21T01:29:00Z
- Modified
- 2025-08-09T20:01:27Z
- Severity
-
- 5.3 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
- Summary
- [none]
- Details
-
The recvmsguserauthrequest function in svr-auth.c in Dropbear through 2018.76 is prone to a user enumeration vulnerability because username validity affects how fields in SSHMSG_USERAUTH messages are handled, a similar issue to CVE-2018-15473 in an unrelated codebase.
- References
-
- http://lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2018q3/002108.html
- http://lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2018q3/002109.html
- https://lists.debian.org/debian-lts-announce/2018/08/msg00026.html
- https://old.reddit.com/r/blackhat/comments/97ywnm/openssh_username_enumeration/e4e05n2/
- https://matt.ucc.asn.au/dropbear/CHANGES