diff options
Diffstat (limited to 'src/responder/ssh/sshsrv_cmd.c')
| -rw-r--r-- | src/responder/ssh/sshsrv_cmd.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/responder/ssh/sshsrv_cmd.c b/src/responder/ssh/sshsrv_cmd.c index 687e8887e..aea9719d6 100644 --- a/src/responder/ssh/sshsrv_cmd.c +++ b/src/responder/ssh/sshsrv_cmd.c @@ -693,8 +693,8 @@ ssh_cmd_parse_request(struct ssh_cmd_ctx *cmd_ctx) } SAFEALIGN_COPY_UINT32_CHECK(&name_len, body+c, body_len, &c); - if (name_len == 0) { - DEBUG(SSSDBG_CRIT_FAILURE, ("Zero-length name is not valid\n")); + if (name_len == 0 || name_len > body_len - c) { + DEBUG(SSSDBG_CRIT_FAILURE, ("Invalid name length\n")); return EINVAL; } @@ -716,8 +716,8 @@ ssh_cmd_parse_request(struct ssh_cmd_ctx *cmd_ctx) if (flags & 1) { SAFEALIGN_COPY_UINT32_CHECK(&alias_len, body+c, body_len, &c); - if (alias_len == 0) { - DEBUG(SSSDBG_CRIT_FAILURE, ("Zero-length alias is not valid\n")); + if (alias_len == 0 || alias_len > body_len - c) { + DEBUG(SSSDBG_CRIT_FAILURE, ("Invalid alias length\n")); return EINVAL; } |