From: Soumya Sambu <soumya.sa...@windriver.com> Heap buffer overflow in WebP in Google Chrome prior to 116.0.5845.187 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page.
Removed CVE-2023-5129.patch as CVE-2023-5129 is duplicate of CVE-2023-4863. CVE: CVE-2023-4863 References: https://nvd.nist.gov/vuln/detail/CVE-2023-4863 https://security-tracker.debian.org/tracker/CVE-2023-4863 https://bugzilla.redhat.com/show_bug.cgi?id=2238431#c12 Signed-off-by: Soumya Sambu <soumya.sa...@windriver.com> --- ...23-5129.patch => CVE-2023-4863-0001.patch} | 27 ++++------ .../webp/files/CVE-2023-4863-0002.patch | 53 +++++++++++++++++++ meta/recipes-multimedia/webp/libwebp_1.1.0.bb | 3 +- 3 files changed, 66 insertions(+), 17 deletions(-) rename meta/recipes-multimedia/webp/files/{CVE-2023-5129.patch => CVE-2023-4863-0001.patch} (95%) create mode 100644 meta/recipes-multimedia/webp/files/CVE-2023-4863-0002.patch diff --git a/meta/recipes-multimedia/webp/files/CVE-2023-5129.patch b/meta/recipes-multimedia/webp/files/CVE-2023-4863-0001.patch similarity index 95% rename from meta/recipes-multimedia/webp/files/CVE-2023-5129.patch rename to meta/recipes-multimedia/webp/files/CVE-2023-4863-0001.patch index ffff068c56..419b12f7d9 100644 --- a/meta/recipes-multimedia/webp/files/CVE-2023-5129.patch +++ b/meta/recipes-multimedia/webp/files/CVE-2023-4863-0001.patch @@ -1,7 +1,7 @@ -From 12b11893edf6c201710ebeee7c84743a8573fad6 Mon Sep 17 00:00:00 2001 +From 902bc9190331343b2017211debcec8d2ab87e17a Mon Sep 17 00:00:00 2001 From: Vincent Rabaud <vrab...@google.com> Date: Thu, 7 Sep 2023 21:16:03 +0200 -Subject: [PATCH 1/1] Fix OOB write in BuildHuffmanTable. +Subject: [PATCH 1/2] Fix OOB write in BuildHuffmanTable. First, BuildHuffmanTable is called to check if the data is valid. If it is and the table is not big enough, more memory is allocated. @@ -12,16 +12,11 @@ codes) streams are still decodable. Bug: chromium:1479274 Change-Id: I31c36dbf3aa78d35ecf38706b50464fd3d375741 -Notice that it references different CVE id: -https://nvd.nist.gov/vuln/detail/CVE-2023-5129 -which was marked as a rejected duplicate of: -https://nvd.nist.gov/vuln/detail/CVE-2023-4863 -but it's the same issue. Hence update CVE ID CVE-2023-4863 +CVE: CVE-2023-4863 -CVE: CVE-2023-5129 CVE-2023-4863 -Upstream-Status: Backport [https://github.com/webmproject/libwebp/commit/2af26267cdfcb63a88e5c74a85927a12d6ca1d76] -Signed-off-by: Colin McAllister <colinmca...@gmail.com> -Signed-off-by: Pawan Badganchi <pawan.badgan...@kpit.com> +Upstream-Status: Backport [https://github.com/webmproject/libwebp/commit/902bc9190331343b2017211debcec8d2ab87e17a] + +Signed-off-by: Soumya Sambu <soumya.sa...@windriver.com> --- src/dec/vp8l_dec.c | 46 ++++++++++--------- src/dec/vp8li_dec.h | 2 +- @@ -30,7 +25,7 @@ Signed-off-by: Pawan Badganchi <pawan.badgan...@kpit.com> 4 files changed, 129 insertions(+), 43 deletions(-) diff --git a/src/dec/vp8l_dec.c b/src/dec/vp8l_dec.c -index 93615d4e..0d38314d 100644 +index 93615d4..0d38314 100644 --- a/src/dec/vp8l_dec.c +++ b/src/dec/vp8l_dec.c @@ -253,11 +253,11 @@ static int ReadHuffmanCodeLengths( @@ -178,7 +173,7 @@ index 93615d4e..0d38314d 100644 assert(dec->hdr_.num_htree_groups_ > 0); diff --git a/src/dec/vp8li_dec.h b/src/dec/vp8li_dec.h -index 72b2e861..32540a4b 100644 +index 72b2e86..32540a4 100644 --- a/src/dec/vp8li_dec.h +++ b/src/dec/vp8li_dec.h @@ -51,7 +51,7 @@ typedef struct { @@ -191,7 +186,7 @@ index 72b2e861..32540a4b 100644 typedef struct VP8LDecoder VP8LDecoder; diff --git a/src/utils/huffman_utils.c b/src/utils/huffman_utils.c -index 0cba0fbb..9efd6283 100644 +index 0cba0fb..9efd628 100644 --- a/src/utils/huffman_utils.c +++ b/src/utils/huffman_utils.c @@ -177,21 +177,24 @@ static int BuildHuffmanTable(HuffmanCode* const root_table, int root_bits, @@ -322,7 +317,7 @@ index 0cba0fbb..9efd6283 100644 + } +} diff --git a/src/utils/huffman_utils.h b/src/utils/huffman_utils.h -index 13b7ad1a..98415c53 100644 +index 13b7ad1..98415c5 100644 --- a/src/utils/huffman_utils.h +++ b/src/utils/huffman_utils.h @@ -43,6 +43,29 @@ typedef struct { @@ -367,5 +362,5 @@ index 13b7ad1a..98415c53 100644 #ifdef __cplusplus -- -2.34.1 +2.40.0 diff --git a/meta/recipes-multimedia/webp/files/CVE-2023-4863-0002.patch b/meta/recipes-multimedia/webp/files/CVE-2023-4863-0002.patch new file mode 100644 index 0000000000..c1eedb6100 --- /dev/null +++ b/meta/recipes-multimedia/webp/files/CVE-2023-4863-0002.patch @@ -0,0 +1,53 @@ +From 95ea5226c870449522240ccff26f0b006037c520 Mon Sep 17 00:00:00 2001 +From: Vincent Rabaud <vrab...@google.com> +Date: Mon, 11 Sep 2023 16:06:08 +0200 +Subject: [PATCH 2/2] Fix invalid incremental decoding check. + +The first condition is only necessary if we have not read enough +(enough being defined by src_last, not src_end which is the end +of the image). +The second condition now fits the comment below: "if not +incremental, and we are past the end of buffer". + +BUG=oss-fuzz:62136 + +Change-Id: I0700f67c62db8e1c02c2e429a069a71e606a5e4f + +CVE: CVE-2023-4863 + +Upstream-Status: Backport [https://github.com/webmproject/libwebp/commit/95ea5226c870449522240ccff26f0b006037c520] + +Signed-off-by: Soumya Sambu <soumya.sa...@windriver.com> +--- + src/dec/vp8l_dec.c | 15 +++++++++++++-- + 1 file changed, 13 insertions(+), 2 deletions(-) + +diff --git a/src/dec/vp8l_dec.c b/src/dec/vp8l_dec.c +index 0d38314..684a5b6 100644 +--- a/src/dec/vp8l_dec.c ++++ b/src/dec/vp8l_dec.c +@@ -1237,9 +1237,20 @@ static int DecodeImageData(VP8LDecoder* const dec, uint32_t* const data, + } + + br->eos_ = VP8LIsEndOfStream(br); +- if (dec->incremental_ && br->eos_ && src < src_end) { ++ // In incremental decoding: ++ // br->eos_ && src < src_last: if 'br' reached the end of the buffer and ++ // 'src_last' has not been reached yet, there is not enough data. 'dec' has to ++ // be reset until there is more data. ++ // !br->eos_ && src < src_last: this cannot happen as either the buffer is ++ // fully read, either enough has been read to reach 'src_last'. ++ // src >= src_last: 'src_last' is reached, all is fine. 'src' can actually go ++ // beyond 'src_last' in case the image is cropped and an LZ77 goes further. ++ // The buffer might have been enough or there is some left. 'br->eos_' does ++ // not matter. ++ assert(!dec->incremental_ || (br->eos_ && src < src_last) || src >= src_last); ++ if (dec->incremental_ && br->eos_ && src < src_last) { + RestoreState(dec); +- } else if (!br->eos_) { ++ } else if ((dec->incremental_ && src >= src_last) || !br->eos_) { + // Process the remaining rows corresponding to last row-block. + if (process_func != NULL) { + process_func(dec, row > last_row ? last_row : row); +-- +2.40.0 diff --git a/meta/recipes-multimedia/webp/libwebp_1.1.0.bb b/meta/recipes-multimedia/webp/libwebp_1.1.0.bb index 27c5d92c92..88c36cb76c 100644 --- a/meta/recipes-multimedia/webp/libwebp_1.1.0.bb +++ b/meta/recipes-multimedia/webp/libwebp_1.1.0.bb @@ -21,7 +21,8 @@ UPSTREAM_CHECK_URI = "http://downloads.webmproject.org/releases/webp/index.html"; SRC_URI += " \ file://CVE-2023-1999.patch \ - file://CVE-2023-5129.patch \ + file://CVE-2023-4863-0001.patch \ + file://CVE-2023-4863-0002.patch \ " EXTRA_OECONF = " \ -- 2.40.0
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