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openSUSE:Step:15
libssh2_org.13039
libssh2_org-CVE-2019-3855.patch
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File libssh2_org-CVE-2019-3855.patch of Package libssh2_org.13039
diff --git a/src/transport.c b/src/transport.c index 8725da0..1c5a13c 100644 --- a/src/transport.c +++ b/src/transport.c @@ -438,6 +438,12 @@ int _libssh2_transport_read(LIBSSH2_SESSION * session) return LIBSSH2_ERROR_DECRYPT; p->padding_length = block[4]; + if(p->packet_length < 1) { + return LIBSSH2_ERROR_DECRYPT; + } + else if(p->packet_length > LIBSSH2_PACKET_MAXPAYLOAD) { + return LIBSSH2_ERROR_OUT_OF_BOUNDARY; + } /* total_num is the number of bytes following the initial (5 bytes) packet length and padding length fields */
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