According to the versions of the exiv2 package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - Exiv2::Internal::PngChunk::parseTXTChunk in Exiv2 v0.26     allows remote attackers to cause a denial of service     (heap-based buffer over-read) via a crafted image file,     a different vulnerability than     CVE-2018-10999.(CVE-2018-16336)

  - The Exiv2::Jp2Image::readMetadata function in     jp2image.cpp in Exiv2 0.26 allows remote attackers to     cause a denial of service (excessive memory allocation)     via a crafted file.(CVE-2018-4868)

  - In Exiv2 before v0.27.2, there is an integer overflow     vulnerability in the WebPImage::getHeaderOffset     function in webpimage.cpp. It can lead to a buffer     overflow vulnerability and a crash.(CVE-2019-14982)

  - There is a reachable assertion in the     Internal::TiffReader::visitDirectory function in     tiffvisitor.cpp of Exiv2 0.26 that will lead to a     remote denial of service attack via crafted     input.(CVE-2017-11683)

  - An Invalid memory address dereference was discovered in     Exiv2::StringValueBase::read in value.cpp in Exiv2     0.26. The vulnerability causes a segmentation fault and     application crash, which leads to denial of     service.(CVE-2017-14859)

  - An Invalid memory address dereference was discovered in     Exiv2::DataValue::read in value.cpp in Exiv2 0.26. The     vulnerability causes a segmentation fault and     application crash, which leads to denial of     service.(CVE-2017-14862)

  - An Invalid memory address dereference was discovered in     Exiv2::getULong in types.cpp in Exiv2 0.26. The     vulnerability causes a segmentation fault and     application crash, which leads to denial of     service.(CVE-2017-14864)

  - There is a heap-based buffer overflow in the     Exiv2::us2Data function of types.cpp in Exiv2 0.26. A     Crafted input will lead to a denial of service     attack.(CVE-2017-14865)

  - There is a heap-based buffer over-read in the     Exiv2::Internal::PngChunk::keyTXTChunk function of     pngchunk_int.cpp in Exiv2 0.26. A crafted PNG file will     lead to a remote denial of service     attack.(CVE-2017-17669)

  - Exiv2 0.26 has a Null Pointer Dereference in the     Exiv2::DataValue::toLong function in value.cpp, related     to crafted metadata in a TIFF file.(CVE-2017-18005)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for exiv2 fixes the following issues :

Security issues fixed :

  - CVE-2017-11591: There is a Floating point exception in     the Exiv2::ValueType function in Exiv2 0.26 that will     lead to a remote denial of service attack via crafted     input. (boo#1050257)

  - CVE-2017-11683: There is a reachable assertion in the     Internal::TiffReader::visitDirectory function in     tiffvisitor.cpp of Exiv2 0.26 that will lead to a remote     denial of service attack via crafted input.
    (boo#1051188)

  - CVE-2017-14865: There is a heap-based buffer overflow in     the Exiv2::us2Data function of types.cpp in Exiv2 0.26.
    A Crafted input will lead to a denial of service attack.
    (boo#1061003)

  - CVE-2017-14862: An Invalid memory address dereference     was discovered in Exiv2::DataValue::read in value.cpp in     Exiv2 0.26. The vulnerability causes a segmentation     fault and application crash, which leads to denial of     service. (boo#1060996)

  - CVE-2017-14859: An Invalid memory address dereference     was discovered in Exiv2::StringValueBase::read in     value.cpp in Exiv2 0.26. The vulnerability causes a     segmentation fault and application crash, which leads to     denial of service. (boo#1061000)

このexiv2の更新では、次の問題が修正されています：

キャッシュサイドチャネル攻撃の軽減：

  - CVE-2017-11591: Exiv2: : ValueType関数（Exiv2 0.26）に浮動小数点の例外があります。これにより、細工された入力を使用したリモートのサービス拒否攻撃が引き起こされる可能性があります。（boo#1050257）

  - CVE-2017-11683: Internal: : TiffReader: : visitDirectory関数（Exiv2 0.26のiffvisitor.cpp内）に、到達可能なアサーションがあります。これにより、細工された入力を使用したリモートのサービス拒否が引き起こされる可能性があります。
    （boo#1051188）

  - CVE-2017-14865: Exiv: : us2Data関数（Exiv2 0.26のtypes.cppの関数）に、ヒープベースのバッファオーバーフローがあります。
    細工された入力がサービス拒否攻撃を引き起こす可能性があります。
    （boo#1061003）

  - CVE-2017-14862: Exiv2: : DataValue: : read（ Exiv2 0.26のvalue.cppの関数）で、無効なメモリアドレスデリファレンスが発見されました。この脆弱性によりセグメンテーション違反とアプリケーションクラッシュが発生し、これによってサービス拒否が引き起こされる可能性があります（boo#1060996）。

  - CVE-2017-14859: Exiv2: : StringValueBase: : read（ Exiv2 0.26のvalue.cppの関数）で、無効なメモリアドレスデリファレンスが発見されました。この脆弱性によりセグメンテーション違反とアプリケーションクラッシュが発生し、これによってサービス拒否が引き起こされる可能性があります（boo#1061000）。

The remote Redhat Enterprise Linux 6 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched.

  - exiv2: integer overflow in the LoaderExifJpeg class in preview.cpp (CVE-2018-12265)

  - Buffer overflow in the RiffVideo::infoTagsHandler function in riffvideo.cpp in Exiv2 0.24 allows remote     attackers to cause a denial of service (crash) via a long IKEY INFO tag value in an AVI file.
    (CVE-2014-9449)

  - exiv2 0.26 contains a Stack out of bounds read in webp parser (CVE-2017-1000126)

Note that Nessus has not tested for these issues but has instead relied on the package manager's report that the package is installed.

The remote Redhat Enterprise Linux 7 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched.

  - exiv2: Heap-based buffer overflow in basicio.cpp (CVE-2017-12955)

  - Buffer overflow in the RiffVideo::infoTagsHandler function in riffvideo.cpp in Exiv2 0.24 allows remote     attackers to cause a denial of service (crash) via a long IKEY INFO tag value in an AVI file.
    (CVE-2014-9449)

  - exiv2 0.26 contains a Stack out of bounds read in webp parser (CVE-2017-1000126)

Note that Nessus has not tested for these issues but has instead relied on the package manager's report that the package is installed.

According to the versions of the exiv2 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - Exiv2::Internal::PngChunk::parseTXTChunk in Exiv2 v0.26     allows remote attackers to cause a denial of service     (heap-based buffer over-read) via a crafted image file,     a different vulnerability than     CVE-2018-10999.(CVE-2018-16336)

  - In Exiv2 0.26 and previous versions,     PngChunk::readRawProfile in pngchunk_int.cpp may cause     a denial of service (application crash due to a     heap-based buffer over-read) via a crafted PNG     file.(CVE-2018-19535)

  - A PngChunk::parseChunkContent uncontrolled memory     allocation in Exiv2 through 0.27.1 allows an attacker     to cause a denial of service (crash due to an     std::bad_alloc exception) via a crafted PNG image     file.(CVE-2019-13112)

  - Exiv2 0.26 has a Null Pointer Dereference in the     Exiv2::DataValue::toLong function in value.cpp, related     to crafted metadata in a TIFF file.(CVE-2017-18005)

  - There is a heap-based buffer overflow in the     Exiv2::us2Data function of types.cpp in Exiv2 0.26. A     Crafted input will lead to a denial of service     attack.(CVE-2017-14865)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	名稱	產品	系列	已發布	已更新	嚴重性
132377	EulerOS 2.0 SP5 : exiv2 (EulerOS-SA-2019-2710)	Nessus	Huawei Local Security Checks	2019/12/23	2024/4/2	medium
104084	openSUSE Security Update : exiv2 (openSUSE-2017-1180)	Nessus	SuSE Local Security Checks	2017/10/23	2021/1/19	high
104084	openSUSEセキュリティ更新プログラム：exiv2 (openSUSE-2017-1180)	Nessus	SuSE Local Security Checks	2017/10/23	2021/1/19	high
199672	RHEL 6 : exiv2 (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	2024/6/3	2024/6/3	high
199570	RHEL 7 : exiv2 (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	2024/6/3	2024/6/3	high
131343	EulerOS 2.0 SP8 : exiv2 (EulerOS-SA-2019-2277)	Nessus	Huawei Local Security Checks	2019/11/27	2024/4/9	medium

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