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(PA-5852) Apply CVE-2023-38545 patch for curl vulnerablity
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,110 @@ | ||
diff --git a/lib/socks.c b/lib/socks.c | ||
index 95c2b004c..8cf694d1d 100644 | ||
--- a/lib/socks.c | ||
+++ b/lib/socks.c | ||
@@ -588,9 +588,9 @@ static CURLproxycode do_SOCKS5(struct Curl_cfilter *cf, | ||
|
||
/* RFC1928 chapter 5 specifies max 255 chars for domain name in packet */ | ||
if(!socks5_resolve_local && hostname_len > 255) { | ||
- infof(data, "SOCKS5: server resolving disabled for hostnames of " | ||
- "length > 255 [actual len=%zu]", hostname_len); | ||
- socks5_resolve_local = TRUE; | ||
+ failf(data, "SOCKS5: the destination hostname is too long to be " | ||
+ "resolved remotely by the proxy."); | ||
+ return CURLPX_LONG_HOSTNAME; | ||
} | ||
|
||
if(auth & ~(CURLAUTH_BASIC | CURLAUTH_GSSAPI)) | ||
@@ -904,7 +904,7 @@ static CURLproxycode do_SOCKS5(struct Curl_cfilter *cf, | ||
} | ||
else { | ||
socksreq[len++] = 3; | ||
- socksreq[len++] = (char) hostname_len; /* one byte address length */ | ||
+ socksreq[len++] = (unsigned char) hostname_len; /* one byte length */ | ||
memcpy(&socksreq[len], sx->hostname, hostname_len); /* w/o NULL */ | ||
len += hostname_len; | ||
} | ||
diff --git a/tests/data/Makefile.inc b/tests/data/Makefile.inc | ||
index 97fdabcfa..f713c03b3 100644 | ||
--- a/tests/data/Makefile.inc | ||
+++ b/tests/data/Makefile.inc | ||
@@ -100,7 +100,8 @@ test679 test680 test681 test682 test683 test684 test685 \ | ||
\ | ||
test700 test701 test702 test703 test704 test705 test706 test707 test708 \ | ||
test709 test710 test711 test712 test713 test714 test715 test716 test717 \ | ||
-test718 test719 test720 test721 \ | ||
+test718 test719 test720 test721 test722 test723 test724 test725 test726 \ | ||
+test727 test728 \ | ||
\ | ||
test800 test801 test802 test803 test804 test805 test806 test807 test808 \ | ||
test809 test810 test811 test812 test813 test814 test815 test816 test817 \ | ||
diff --git a/tests/data/test728 b/tests/data/test728 | ||
new file mode 100644 | ||
index 000000000..05bcf2883 | ||
--- /dev/null | ||
+++ b/tests/data/test728 | ||
@@ -0,0 +1,64 @@ | ||
+<testcase> | ||
+<info> | ||
+<keywords> | ||
+HTTP | ||
+HTTP GET | ||
+SOCKS5 | ||
+SOCKS5h | ||
+followlocation | ||
+</keywords> | ||
+</info> | ||
+ | ||
+# | ||
+# Server-side | ||
+<reply> | ||
+# The hostname in this redirect is 256 characters and too long (> 255) for | ||
+# SOCKS5 remote resolve. curl must return error CURLE_PROXY in this case. | ||
+<data> | ||
+HTTP/1.1 301 Moved Permanently | ||
+Location: http://AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA/ | ||
+Content-Length: 0 | ||
+Connection: close | ||
+ | ||
+</data> | ||
+</reply> | ||
+ | ||
+# | ||
+# Client-side | ||
+<client> | ||
+<features> | ||
+proxy | ||
+</features> | ||
+<server> | ||
+http | ||
+socks5 | ||
+</server> | ||
+ <name> | ||
+SOCKS5h with HTTP redirect to hostname too long | ||
+ </name> | ||
+ <command> | ||
+--no-progress-meter --location --proxy socks5h://%HOSTIP:%SOCKSPORT http://%HOSTIP:%HTTPPORT/%TESTNUMBER | ||
+</command> | ||
+</client> | ||
+ | ||
+# | ||
+# Verify data after the test has been "shot" | ||
+<verify> | ||
+<protocol crlf="yes"> | ||
+GET /%TESTNUMBER HTTP/1.1 | ||
+Host: %HOSTIP:%HTTPPORT | ||
+User-Agent: curl/%VERSION | ||
+Accept: */* | ||
+ | ||
+</protocol> | ||
+<errorcode> | ||
+97 | ||
+</errorcode> | ||
+# the error message is verified because error code CURLE_PROXY (97) may be | ||
+# returned for any number of reasons and we need to make sure it is | ||
+# specifically for the reason below so that we know the check is working. | ||
+<stderr mode="text"> | ||
+curl: (97) SOCKS5: the destination hostname is too long to be resolved remotely by the proxy. | ||
+</stderr> | ||
+</verify> | ||
+</testcase> |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,115 @@ | ||
diff --git a/lib/cookie.c b/lib/cookie.c | ||
index c457b2d95..7a9daf038 100644 | ||
--- a/lib/cookie.c | ||
+++ b/lib/cookie.c | ||
@@ -118,7 +118,6 @@ static void freecookie(struct Cookie *co) | ||
free(co->name); | ||
free(co->value); | ||
free(co->maxage); | ||
- free(co->version); | ||
free(co); | ||
} | ||
|
||
@@ -714,12 +713,8 @@ Curl_cookie_add(struct Curl_easy *data, | ||
whatptr); | ||
} | ||
} | ||
- else if(strcasecompare("version", name)) { | ||
- strstore(&co->version, whatptr); | ||
- if(!co->version) { | ||
- badcookie = TRUE; | ||
- break; | ||
- } | ||
+ else if((nlen == 7) && strncasecompare("version", namep, 7)) { | ||
+ /* just ignore */ | ||
} | ||
else if(strcasecompare("max-age", name)) { | ||
/* | ||
@@ -1174,7 +1169,6 @@ Curl_cookie_add(struct Curl_easy *data, | ||
free(clist->path); | ||
free(clist->spath); | ||
free(clist->expirestr); | ||
- free(clist->version); | ||
free(clist->maxage); | ||
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||
*clist = *co; /* then store all the new data */ | ||
@@ -1238,9 +1232,6 @@ struct CookieInfo *Curl_cookie_init(struct Curl_easy *data, | ||
c = calloc(1, sizeof(struct CookieInfo)); | ||
if(!c) | ||
return NULL; /* failed to get memory */ | ||
- c->filename = strdup(file?file:"none"); /* copy the name just in case */ | ||
- if(!c->filename) | ||
- goto fail; /* failed to get memory */ | ||
/* | ||
* Initialize the next_expiration time to signal that we don't have enough | ||
* information yet. | ||
@@ -1394,7 +1385,6 @@ static struct Cookie *dup_cookie(struct Cookie *src) | ||
CLONE(name); | ||
CLONE(value); | ||
CLONE(maxage); | ||
- CLONE(version); | ||
d->expires = src->expires; | ||
d->tailmatch = src->tailmatch; | ||
d->secure = src->secure; | ||
@@ -1610,7 +1600,6 @@ void Curl_cookie_cleanup(struct CookieInfo *c) | ||
{ | ||
if(c) { | ||
unsigned int i; | ||
- free(c->filename); | ||
for(i = 0; i < COOKIE_HASH_SIZE; i++) | ||
Curl_cookie_freelist(c->cookies[i]); | ||
free(c); /* free the base struct as well */ | ||
diff --git a/lib/cookie.h b/lib/cookie.h | ||
index 39bb08bc4..3a43bbf33 100644 | ||
--- a/lib/cookie.h | ||
+++ b/lib/cookie.h | ||
@@ -36,11 +36,7 @@ struct Cookie { | ||
char *domain; /* domain = <this> */ | ||
curl_off_t expires; /* expires = <this> */ | ||
char *expirestr; /* the plain text version */ | ||
- | ||
- /* RFC 2109 keywords. Version=1 means 2109-compliant cookie sending */ | ||
- char *version; /* Version = <value> */ | ||
char *maxage; /* Max-Age = <value> */ | ||
- | ||
bool tailmatch; /* whether we do tail-matching of the domain name */ | ||
bool secure; /* whether the 'secure' keyword was used */ | ||
bool livecookie; /* updated from a server, not a stored file */ | ||
@@ -56,18 +52,16 @@ struct Cookie { | ||
#define COOKIE_PREFIX__SECURE (1<<0) | ||
#define COOKIE_PREFIX__HOST (1<<1) | ||
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-#define COOKIE_HASH_SIZE 256 | ||
+#define COOKIE_HASH_SIZE 63 | ||
|
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struct CookieInfo { | ||
/* linked list of cookies we know of */ | ||
struct Cookie *cookies[COOKIE_HASH_SIZE]; | ||
- | ||
- char *filename; /* file we read from/write to */ | ||
- long numcookies; /* number of cookies in the "jar" */ | ||
+ curl_off_t next_expiration; /* the next time at which expiration happens */ | ||
+ int numcookies; /* number of cookies in the "jar" */ | ||
+ int lastct; /* last creation-time used in the jar */ | ||
bool running; /* state info, for cookie adding information */ | ||
bool newsession; /* new session, discard session cookies on load */ | ||
- int lastct; /* last creation-time used in the jar */ | ||
- curl_off_t next_expiration; /* the next time at which expiration happens */ | ||
}; | ||
|
||
/* This is the maximum line length we accept for a cookie line. RFC 2109 | ||
diff --git a/lib/easy.c b/lib/easy.c | ||
index db03026c9..842d2a99a 100644 | ||
--- a/lib/easy.c | ||
+++ b/lib/easy.c | ||
@@ -911,9 +911,7 @@ struct Curl_easy *curl_easy_duphandle(struct Curl_easy *data) | ||
if(data->cookies) { | ||
/* If cookies are enabled in the parent handle, we enable them | ||
in the clone as well! */ | ||
- outcurl->cookies = Curl_cookie_init(data, | ||
- data->cookies->filename, | ||
- outcurl->cookies, | ||
+ outcurl->cookies = Curl_cookie_init(data, NULL, outcurl->cookies, | ||
data->set.cookiesession); | ||
if(!outcurl->cookies) | ||
goto fail; |