diff options
Diffstat (limited to 'source/installer/dropbear/dropbear.glibc.crypt.diff')
| -rw-r--r-- | source/installer/dropbear/dropbear.glibc.crypt.diff | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/source/installer/dropbear/dropbear.glibc.crypt.diff b/source/installer/dropbear/dropbear.glibc.crypt.diff new file mode 100644 index 00000000..3184210d --- /dev/null +++ b/source/installer/dropbear/dropbear.glibc.crypt.diff @@ -0,0 +1,28 @@ + +# HG changeset patch +# User Matt Johnston <matt@ucc.asn.au> +# Date 1367250157 -28800 +# Node ID 7bd88d546627ff31d0e2d91e6022b3e77a943efb +# Parent ea04e3eb03e2c3d59d82e361882711de844068a4 +Avoid segfault for locked accounts (invalid salt to crypt()) + +diff -r ea04e3eb03e2 -r 7bd88d546627 svr-authpasswd.c +--- a/svr-authpasswd.c Thu Apr 18 23:15:17 2013 +0800 ++++ b/svr-authpasswd.c Mon Apr 29 23:42:37 2013 +0800 +@@ -66,6 +66,14 @@ + m_burn(password, passwordlen); + m_free(password); + ++ if (testcrypt == NULL) { ++ /* crypt() with an invalid salt like "!!" */ ++ dropbear_log(LOG_WARNING, "User account '%s' is locked", ++ ses.authstate.pw_name); ++ send_msg_userauth_failure(0, 1); ++ return; ++ } ++ + /* check for empty password */ + if (passwdcrypt[0] == '\0') { + dropbear_log(LOG_WARNING, "User '%s' has blank password, rejected", + + |