Description (CNA)
The recv_msg_userauth_request function in svr-auth.c in Dropbear through 2018.76 is prone to a user enumeration vulnerability because username validity affects how fields in SSH_MSG_USERAUTH messages are handled, a similar issue to CVE-2018-15473 in an unrelated codebase.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| n/a / n/a | affected n/a |
CWE
No CWE identifiers supplied.
References
- https://matt.ucc.asn.au/dropbear/CHANGES
- http://lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2018q3/002109.html
- http://lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2018q3/002108.html
- https://lists.debian.org/debian-lts-announce/2018/08/msg00026.html
- https://old.reddit.com/r/blackhat/comments/97ywnm/openssh_username_enumeration/e4e05n2/
ADP enrichment
No English description supplied.
- https://matt.ucc.asn.au/dropbear/CHANGES
- http://lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2018q3/002109.html
- http://lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2018q3/002108.html
- https://lists.debian.org/debian-lts-announce/2018/08/msg00026.html
- https://old.reddit.com/r/blackhat/comments/97ywnm/openssh_username_enumeration/e4e05n2/