Hi Peter,

I think you missed adding the patches to the recipe :-)

Steve

On Tue, Nov 12, 2024 at 12:52 AM Peter Marko via
lists.openembedded.org
<[email protected]> wrote:
>
> From: Peter Marko <[email protected]>
>
> Pick commits from https://github.com/libexpat/libexpat/pull/915
>
> Not picking test is suboptimal, but test structure was changed meanwhile
> so we'd have to invent new code.
> Skipping tests was already done in previous expat/kirkstone CVE patches.
>
> Signed-off-by: Peter Marko <[email protected]>
> ---
> v2: fixed upstream patch lik in CVE-2024-50602-01.patch
>
>  .../expat/expat/CVE-2024-50602-01.patch       | 56 +++++++++++++++++++
>  .../expat/expat/CVE-2024-50602-02.patch       | 38 +++++++++++++
>  2 files changed, 94 insertions(+)
>  create mode 100644 meta/recipes-core/expat/expat/CVE-2024-50602-01.patch
>  create mode 100644 meta/recipes-core/expat/expat/CVE-2024-50602-02.patch
>
> diff --git a/meta/recipes-core/expat/expat/CVE-2024-50602-01.patch 
> b/meta/recipes-core/expat/expat/CVE-2024-50602-01.patch
> new file mode 100644
> index 0000000000..18dc392f67
> --- /dev/null
> +++ b/meta/recipes-core/expat/expat/CVE-2024-50602-01.patch
> @@ -0,0 +1,56 @@
> +From 51c7019069b862e88d94ed228659e70bddd5de09 Mon Sep 17 00:00:00 2001
> +From: Sebastian Pipping <[email protected]>
> +Date: Mon, 21 Oct 2024 01:42:54 +0200
> +Subject: [PATCH 1/2] lib: Make XML_StopParser refuse to stop/suspend an
> + unstarted parser
> +
> +CVE: CVE-2024-50602
> +Upstream-Status: Backport 
> [https://github.com/libexpat/libexpat/commit/51c7019069b862e88d94ed228659e70bddd5de09]
> +Signed-off-by: Peter Marko <[email protected]>
> +---
> + expat/lib/expat.h    | 4 +++-
> + expat/lib/xmlparse.c | 6 ++++++
> + 2 files changed, 9 insertions(+), 1 deletion(-)
> +
> +diff --git a/expat/lib/expat.h b/expat/lib/expat.h
> +index d0d6015a..3ba61304 100644
> +--- a/expat/lib/expat.h
> ++++ b/expat/lib/expat.h
> +@@ -127,7 +127,9 @@ enum XML_Error {
> +   /* Added in 2.3.0. */
> +   XML_ERROR_NO_BUFFER,
> +   /* Added in 2.4.0. */
> +-  XML_ERROR_AMPLIFICATION_LIMIT_BREACH
> ++  XML_ERROR_AMPLIFICATION_LIMIT_BREACH,
> ++  /* Added in 2.6.4. */
> ++  XML_ERROR_NOT_STARTED,
> + };
> +
> + enum XML_Content_Type {
> +diff --git a/expat/lib/xmlparse.c b/expat/lib/xmlparse.c
> +index d9285b21..fa02537f 100644
> +--- a/expat/lib/xmlparse.c
> ++++ b/expat/lib/xmlparse.c
> +@@ -2189,6 +2189,9 @@ XML_StopParser(XML_Parser parser, XML_Bool resumable) {
> +   if (parser == NULL)
> +     return XML_STATUS_ERROR;
> +   switch (parser->m_parsingStatus.parsing) {
> ++  case XML_INITIALIZED:
> ++    parser->m_errorCode = XML_ERROR_NOT_STARTED;
> ++    return XML_STATUS_ERROR;
> +   case XML_SUSPENDED:
> +     if (resumable) {
> +       parser->m_errorCode = XML_ERROR_SUSPENDED;
> +@@ -2474,6 +2477,9 @@ XML_ErrorString(enum XML_Error code) {
> +   case XML_ERROR_AMPLIFICATION_LIMIT_BREACH:
> +     return XML_L(
> +         "limit on input amplification factor (from DTD and entities) 
> breached");
> ++  /* Added in 2.6.4. */
> ++  case XML_ERROR_NOT_STARTED:
> ++    return XML_L("parser not started");
> +   }
> +   return NULL;
> + }
> +--
> +2.30.2
> +
> diff --git a/meta/recipes-core/expat/expat/CVE-2024-50602-02.patch 
> b/meta/recipes-core/expat/expat/CVE-2024-50602-02.patch
> new file mode 100644
> index 0000000000..e714daade5
> --- /dev/null
> +++ b/meta/recipes-core/expat/expat/CVE-2024-50602-02.patch
> @@ -0,0 +1,38 @@
> +From 5fb89e7b3afa1c314b34834fe729cd063f65a4d4 Mon Sep 17 00:00:00 2001
> +From: Sebastian Pipping <[email protected]>
> +Date: Mon, 21 Oct 2024 01:46:11 +0200
> +Subject: [PATCH 2/2] lib: Be explicit about XML_PARSING in XML_StopParser
> +
> +CVE: CVE-2024-50602
> +Upstream-Status: Backport 
> [https://github.com/libexpat/libexpat/commit/5fb89e7b3afa1c314b34834fe729cd063f65a4d4]
> +Signed-off-by: Peter Marko <[email protected]>
> +---
> + expat/lib/xmlparse.c | 5 ++++-
> + 1 file changed, 4 insertions(+), 1 deletion(-)
> +
> +diff --git a/expat/lib/xmlparse.c b/expat/lib/xmlparse.c
> +index fa02537f..983f6df0 100644
> +--- a/expat/lib/xmlparse.c
> ++++ b/expat/lib/xmlparse.c
> +@@ -2202,7 +2202,7 @@ XML_StopParser(XML_Parser parser, XML_Bool resumable) {
> +   case XML_FINISHED:
> +     parser->m_errorCode = XML_ERROR_FINISHED;
> +     return XML_STATUS_ERROR;
> +-  default:
> ++  case XML_PARSING:
> +     if (resumable) {
> + #ifdef XML_DTD
> +       if (parser->m_isParamEntity) {
> +@@ -2213,6 +2213,9 @@ XML_StopParser(XML_Parser parser, XML_Bool resumable) {
> +       parser->m_parsingStatus.parsing = XML_SUSPENDED;
> +     } else
> +       parser->m_parsingStatus.parsing = XML_FINISHED;
> ++    break;
> ++  default:
> ++    assert(0);
> +   }
> +   return XML_STATUS_OK;
> + }
> +--
> +2.30.2
> +
> --
> 2.30.2
>
>
> 
>
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