From: Archana Polampalli <archana.polampa...@windriver.com> A flaw was found in the Curl package. This flaw allows an attacker to insert cookies into a running program using libcurl if the specific series of conditions are met.
Signed-off-by: Archana Polampalli <archana.polampa...@windriver.com> --- .../curl/curl/CVE-2023-38546.patch | 125 ++++++++++++++++++ meta/recipes-support/curl/curl_8.0.1.bb | 1 + 2 files changed, 126 insertions(+) create mode 100644 meta/recipes-support/curl/curl/CVE-2023-38546.patch diff --git a/meta/recipes-support/curl/curl/CVE-2023-38546.patch b/meta/recipes-support/curl/curl/CVE-2023-38546.patch new file mode 100644 index 0000000000..c1d60fe656 --- /dev/null +++ b/meta/recipes-support/curl/curl/CVE-2023-38546.patch @@ -0,0 +1,125 @@ +From 61275672b46d9abb3285740467b882e22ed75da8 Mon Sep 17 00:00:00 2001 +From: Daniel Stenberg <dan...@haxx.se> +Date: Thu, 14 Sep 2023 23:28:32 +0200 +Subject: [PATCH] cookie: remove unnecessary struct fields + +Plus: reduce the hash table size from 256 to 63. It seems unlikely to +make much of a speed difference for most use cases but saves 1.5KB of +data per instance. + +Closes #11862 + +Upstream-Status: Backport [https://github.com/curl/curl/commit/61275672b46d9abb32857404] + +CVE: CVE-2023-38546 + +Signed-off-by: Archana Polampalli <archana.polampa...@windriver.com> +--- + lib/cookie.c | 13 +------------ + lib/cookie.h | 9 ++++----- + lib/easy.c | 4 +--- + 3 files changed, 6 insertions(+), 20 deletions(-) + +diff --git a/lib/cookie.c b/lib/cookie.c +index 0c6e0f7..f9dfa50 100644 +--- a/lib/cookie.c ++++ b/lib/cookie.c +@@ -119,7 +119,6 @@ static void freecookie(struct Cookie *co) + free(co->name); + free(co->value); + free(co->maxage); +- free(co->version); + free(co); + } + +@@ -726,11 +725,7 @@ Curl_cookie_add(struct Curl_easy *data, + } + } + else if((nlen == 7) && strncasecompare("version", namep, 7)) { +- strstore(&co->version, valuep, vlen); +- if(!co->version) { +- badcookie = TRUE; +- break; +- } ++ /* just ignore */ + } + else if((nlen == 7) && strncasecompare("max-age", namep, 7)) { + /* +@@ -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); + + *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; +@@ -1611,7 +1601,6 @@ 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 39bb08b..f852c68 100644 +--- a/lib/cookie.h ++++ b/lib/cookie.h +@@ -56,18 +56,17 @@ struct Cookie { + #define COOKIE_PREFIX__SECURE (1<<0) + #define COOKIE_PREFIX__HOST (1<<1) + +-#define COOKIE_HASH_SIZE 256 ++#define COOKIE_HASH_SIZE 63 + + 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 27124a7..fddf047 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; +-- +2.40.0 diff --git a/meta/recipes-support/curl/curl_8.0.1.bb b/meta/recipes-support/curl/curl_8.0.1.bb index bdffe7be34..375b4d2f93 100644 --- a/meta/recipes-support/curl/curl_8.0.1.bb +++ b/meta/recipes-support/curl/curl_8.0.1.bb @@ -20,6 +20,7 @@ SRC_URI = " \ file://CVE-2023-32001.patch \ file://CVE-2023-28320-fol1.patch \ file://CVE-2023-38545.patch \ + file://CVE-2023-38546.patch \ " SRC_URI[sha256sum] = "0a381cd82f4d00a9a334438b8ca239afea5bfefcfa9a1025f2bf118e79e0b5f0" -- 2.40.0
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