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| author | delphij <delphij@FreeBSD.org> | 2017-08-10 06:59:43 +0000 |
|---|---|---|
| committer | delphij <delphij@FreeBSD.org> | 2017-08-10 06:59:43 +0000 |
| commit | 4f0def8d48a1ccf838d52033ac2ddb87600faaaf (patch) | |
| tree | 9e70c8027bce9c432770b6c412b82bca6a293dd2 /crypto | |
| parent | dc92a5e2298774036551d0b9cdfb9a8814a6414b (diff) | |
| download | FreeBSD-src-releng/10.3.zip FreeBSD-src-releng/10.3.tar.gz | |
Fix OpenSSH Denial of Service vulnerability. [SA-17:06]releng/10.3
Approved by: so
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/openssh/auth-passwd.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/crypto/openssh/auth-passwd.c b/crypto/openssh/auth-passwd.c index 63ccf3c..f6825ec 100644 --- a/crypto/openssh/auth-passwd.c +++ b/crypto/openssh/auth-passwd.c @@ -66,6 +66,8 @@ extern login_cap_t *lc; #define DAY (24L * 60 * 60) /* 1 day in seconds */ #define TWO_WEEKS (2L * 7 * DAY) /* 2 weeks in seconds */ +#define MAX_PASSWORD_LEN 1024 + void disable_forwarding(void) { @@ -87,6 +89,9 @@ auth_password(Authctxt *authctxt, const char *password) static int expire_checked = 0; #endif + if (strlen(password) > MAX_PASSWORD_LEN) + return 0; + #ifndef HAVE_CYGWIN if (pw->pw_uid == 0 && options.permit_root_login != PERMIT_YES) ok = 0; |
