From patchwork Fri Oct 13 09:20:56 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Polampalli, Archana" X-Patchwork-Id: 32118 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1975DCDB483 for ; Fri, 13 Oct 2023 09:21:29 +0000 (UTC) Received: from mx0b-0064b401.pphosted.com (mx0b-0064b401.pphosted.com [205.220.178.238]) by mx.groups.io with SMTP id smtpd.web10.34657.1697188880359642501 for ; Fri, 13 Oct 2023 02:21:20 -0700 Authentication-Results: mx.groups.io; dkim=pass header.i=@windriver.com header.s=PPS06212021 header.b=DJy7bR7F; spf=permerror, err=parse error for token &{10 18 %{ir}.%{v}.%{d}.spf.has.pphosted.com}: invalid domain name (domain: windriver.com, ip: 205.220.178.238, mailfrom: prvs=8650e6eda7=archana.polampalli@windriver.com) Received: from pps.filterd (m0250811.ppops.net [127.0.0.1]) by mx0a-0064b401.pphosted.com (8.17.1.22/8.17.1.22) with ESMTP id 39D6VRUH005028 for ; Fri, 13 Oct 2023 09:21:19 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=windriver.com; h=from:to:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding:content-type; s= PPS06212021; bh=0v261lShgGe4SEADRfqKlny2y7Nnydcj9Fhv6AUq4k8=; b= DJy7bR7FRyjVoNVBDcuifLXOvHlUwE/o0TuDAXDZ8o7r1gBWEb6cEWPVxK80To24 Ps2g0VYm8FfZ6ddD6VVzZdYZ4mluBd9f6kzZAnM+CTtmeIAfn+RGdYUpACOYMu0J 0/0axtzrFQ2JFd/QJgpkLkcb5+gV1N7i/1oc+dR6+SAzx8+cMi30tp1jFvAaB3c5 e6nx3KR5uXSaQ1sWSOi5RYrDzUOV/WL0qibTTyQkRZ62n3LGxWLRqxul1CS2Xzg5 NZBeoYWCcycUy1BnIKv4hDwJS/iWRjKMAjqeief2K2SBXYDcWCbkEPqZE2vO92s8 xIlxc9yQT/672PE6uneIvg== Received: from ala-exchng01.corp.ad.wrs.com (ala-exchng01.wrs.com [147.11.82.252]) by mx0a-0064b401.pphosted.com (PPS) with ESMTPS id 3tnht8ab4s-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Fri, 13 Oct 2023 09:21:19 +0000 (GMT) Received: from blr-linux-engg1.wrs.com (147.11.136.210) by ala-exchng01.corp.ad.wrs.com (147.11.82.252) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.32; Fri, 13 Oct 2023 02:21:16 -0700 From: apolampa To: Subject: [oe-core][kirkstone][PATCH 2/2] curl: fix CVE-2023-38546 Date: Fri, 13 Oct 2023 09:20:56 +0000 Message-ID: <20231013092056.3841151-2-archana.polampalli@windriver.com> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20231013092056.3841151-1-archana.polampalli@windriver.com> References: <20231013092056.3841151-1-archana.polampalli@windriver.com> MIME-Version: 1.0 X-Originating-IP: [147.11.136.210] X-ClientProxiedBy: ala-exchng01.corp.ad.wrs.com (147.11.82.252) To ala-exchng01.corp.ad.wrs.com (147.11.82.252) X-Proofpoint-GUID: S8hDfCUmM4R5yxUPVLUpYin5GabO4qDQ X-Proofpoint-ORIG-GUID: S8hDfCUmM4R5yxUPVLUpYin5GabO4qDQ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.980,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-10-13_03,2023-10-12_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 lowpriorityscore=0 spamscore=0 bulkscore=0 mlxscore=0 malwarescore=0 suspectscore=0 clxscore=1015 mlxlogscore=830 phishscore=0 priorityscore=1501 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2309180000 definitions=main-2310130076 List-Id: X-Webhook-Received: from li982-79.members.linode.com [45.33.32.79] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Fri, 13 Oct 2023 09:21:29 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/189056 From: Archana Polampalli 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 --- .../curl/curl/CVE-2023-38546.patch | 137 ++++++++++++++++++ meta/recipes-support/curl/curl_7.82.0.bb | 1 + 2 files changed, 138 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..1b2f1e7a7d --- /dev/null +++ b/meta/recipes-support/curl/curl/CVE-2023-38546.patch @@ -0,0 +1,137 @@ +From 61275672b46d9abb3285740467b882e22ed75da8 Mon Sep 17 00:00:00 2001 +From: Daniel Stenberg +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 +--- + lib/cookie.c | 13 +------------ + lib/cookie.h | 13 ++++--------- + lib/easy.c | 4 +--- + 3 files changed, 6 insertions(+), 24 deletions(-) + +diff --git a/lib/cookie.c b/lib/cookie.c +index e0470a1..38d8d6c 100644 +--- a/lib/cookie.c ++++ b/lib/cookie.c +@@ -115,7 +115,6 @@ static void freecookie(struct Cookie *co) + free(co->name); + free(co->value); + free(co->maxage); +- free(co->version); + free(co); + } + +@@ -707,11 +706,7 @@ Curl_cookie_add(struct Curl_easy *data, + } + } + else if(strcasecompare("version", name)) { +- strstore(&co->version, whatptr); +- if(!co->version) { +- badcookie = TRUE; +- break; +- } ++ /* just ignore */ + } + else if(strcasecompare("max-age", name)) { + /* +@@ -1132,7 +1127,6 @@ 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 */ +@@ -1210,9 +1204,6 @@ 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. +@@ -1363,7 +1354,6 @@ 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; +@@ -1579,7 +1569,6 @@ 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 7411980..645600a 100644 +--- a/lib/cookie.h ++++ b/lib/cookie.h +@@ -34,11 +34,7 @@ struct Cookie { + char *domain; /* domain = */ + curl_off_t expires; /* expires = */ + char *expirestr; /* the plain text version */ +- +- /* RFC 2109 keywords. Version=1 means 2109-compliant cookie sending */ +- char *version; /* Version = */ + char *maxage; /* Max-Age = */ +- + 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 */ +@@ -54,18 +50,17 @@ 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 0e23561..31abf9e 100644 +--- a/lib/easy.c ++++ b/lib/easy.c +@@ -841,9 +841,7 @@ 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_7.82.0.bb b/meta/recipes-support/curl/curl_7.82.0.bb index 86a3a84332..471bc47f34 100644 --- a/meta/recipes-support/curl/curl_7.82.0.bb +++ b/meta/recipes-support/curl/curl_7.82.0.bb @@ -53,6 +53,7 @@ SRC_URI = "https://curl.se/download/${BP}.tar.xz \ file://CVE-2023-28322-2.patch \ file://CVE-2023-32001.patch \ file://CVE-2023-38545.patch \ + file://CVE-2023-38546.patch \ " SRC_URI[sha256sum] = "0aaa12d7bd04b0966254f2703ce80dd5c38dbbd76af0297d3d690cdce58a583c"