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openSUSE:Leap:15.2
cups
cups-2.2.7-CVE-2019-8675.CVE-2019-8696.patch
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File cups-2.2.7-CVE-2019-8675.CVE-2019-8696.patch of Package cups
--- cups/http.c.orig 2018-03-23 04:48:36.000000000 +0100 +++ cups/http.c 2019-11-13 14:45:49.000000000 +0100 @@ -1892,7 +1892,7 @@ httpPrintf(http_t *http, /* I - HTT ...) /* I - Additional args as needed */ { ssize_t bytes; /* Number of bytes to write */ - char buf[16384]; /* Buffer for formatted string */ + char buf[65536]; /* Buffer for formatted string */ va_list ap; /* Variable argument pointer */ @@ -1904,7 +1904,12 @@ httpPrintf(http_t *http, /* I - HTT DEBUG_printf(("3httpPrintf: (" CUPS_LLFMT " bytes) %s", CUPS_LLCAST bytes, buf)); - if (http->data_encoding == HTTP_ENCODING_FIELDS) + if (bytes > (ssize_t)(sizeof(buf) - 1)) + { + http->error = ENOMEM; + return (-1); + } + else if (http->data_encoding == HTTP_ENCODING_FIELDS) return ((int)httpWrite2(http, buf, (size_t)bytes)); else { --- cups/ipp.c.orig 2018-03-23 04:48:36.000000000 +0100 +++ cups/ipp.c 2019-11-13 14:49:01.000000000 +0100 @@ -4632,9 +4632,7 @@ ippSetValueTag( break; case IPP_TAG_NAME : - if (temp_tag != IPP_TAG_KEYWORD && temp_tag != IPP_TAG_URI && - temp_tag != IPP_TAG_URISCHEME && temp_tag != IPP_TAG_LANGUAGE && - temp_tag != IPP_TAG_MIMETYPE) + if (temp_tag != IPP_TAG_KEYWORD) return (0); (*attr)->value_tag = (ipp_tag_t)(IPP_TAG_NAME | ((*attr)->value_tag & IPP_TAG_CUPS_CONST)); @@ -4642,10 +4640,7 @@ ippSetValueTag( case IPP_TAG_NAMELANG : case IPP_TAG_TEXTLANG : - if (value_tag == IPP_TAG_NAMELANG && - (temp_tag != IPP_TAG_NAME && temp_tag != IPP_TAG_KEYWORD && - temp_tag != IPP_TAG_URI && temp_tag != IPP_TAG_URISCHEME && - temp_tag != IPP_TAG_LANGUAGE && temp_tag != IPP_TAG_MIMETYPE)) + if (value_tag == IPP_TAG_NAMELANG && (temp_tag != IPP_TAG_NAME && temp_tag != IPP_TAG_KEYWORD)) return (0); if (value_tag == IPP_TAG_TEXTLANG && temp_tag != IPP_TAG_TEXT) --- cups/snmp.c.orig 2018-03-23 04:48:36.000000000 +0100 +++ cups/snmp.c 2019-11-13 14:54:02.000000000 +0100 @@ -1233,6 +1233,9 @@ asn1_get_integer( int value; /* Integer value */ + if (*buffer >= bufend) + return (0); + if (length > sizeof(int)) { (*buffer) += length; @@ -1259,6 +1262,9 @@ asn1_get_length(unsigned char **buffer, unsigned length; /* Length */ + if (*buffer >= bufend) + return (0); + length = **buffer; (*buffer) ++; @@ -1301,6 +1307,9 @@ asn1_get_oid( int number; /* OID number */ + if (*buffer >= bufend) + return (0); + valend = *buffer + length; oidptr = oid; oidend = oid + oidsize - 1; @@ -1349,9 +1358,12 @@ asn1_get_packed( int value; /* Value */ + if (*buffer >= bufend) + return (0); + value = 0; - while ((**buffer & 128) && *buffer < bufend) + while (*buffer < bufend && (**buffer & 128)) { value = (value << 7) | (**buffer & 127); (*buffer) ++; @@ -1379,6 +1391,9 @@ asn1_get_string( char *string, /* I - String buffer */ size_t strsize) /* I - String buffer size */ { + if (*buffer >= bufend) + return (NULL); + if (length > (unsigned)(bufend - *buffer)) length = (unsigned)(bufend - *buffer); @@ -1420,6 +1435,8 @@ asn1_get_type(unsigned char **buffer, /* { int type; /* Type */ + if (*buffer >= bufend) + return (0); type = **buffer; (*buffer) ++; --- scheduler/client.c.orig 2018-03-23 04:48:36.000000000 +0100 +++ scheduler/client.c 2019-11-13 14:57:33.000000000 +0100 @@ -568,6 +568,17 @@ cupsdReadClient(cupsd_client_t *con) /* cupsdLogClient(con, CUPSD_LOG_DEBUG2, "cupsdReadClient: error=%d, used=%d, state=%s, data_encoding=HTTP_ENCODING_%s, data_remaining=" CUPS_LLFMT ", request=%p(%s), file=%d", httpError(con->http), (int)httpGetReady(con->http), httpStateString(httpGetState(con->http)), httpIsChunked(con->http) ? "CHUNKED" : "LENGTH", CUPS_LLCAST httpGetRemaining(con->http), con->request, con->request ? ippStateString(ippGetState(con->request)) : "", con->file); + if (httpError(con->http) == EPIPE && !httpGetReady(con->http) && recv(httpGetFd(con->http), buf, 1, MSG_PEEK) < 1) + { + /* + * Connection closed... + */ + + cupsdLogClient(con, CUPSD_LOG_DEBUG, "Closing on EOF."); + cupsdCloseClient(con); + return; + } + if (httpGetState(con->http) == HTTP_STATE_GET_SEND || httpGetState(con->http) == HTTP_STATE_POST_SEND || httpGetState(con->http) == HTTP_STATE_STATUS) @@ -577,17 +588,6 @@ cupsdReadClient(cupsd_client_t *con) /* * connection and we need to shut it down... */ - if (!httpGetReady(con->http) && recv(httpGetFd(con->http), buf, 1, MSG_PEEK) < 1) - { - /* - * Connection closed... - */ - - cupsdLogClient(con, CUPSD_LOG_DEBUG, "Closing on EOF."); - cupsdCloseClient(con); - return; - } - cupsdLogClient(con, CUPSD_LOG_DEBUG, "Closing on unexpected HTTP read state %s.", httpStateString(httpGetState(con->http))); cupsdCloseClient(con); return; @@ -2197,6 +2197,7 @@ cupsdSendError(cupsd_client_t *con, /* I strlcpy(location, httpGetField(con->http, HTTP_FIELD_LOCATION), sizeof(location)); httpClearFields(con->http); + httpClearCookie(con->http); httpSetField(con->http, HTTP_FIELD_LOCATION, location);
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