An issue was discovered in OpenCV 4.1.0. There is a divide-by-zero error in cv::HOGDescriptor::getDescriptorSize in modules/objdetect/src/hog.cpp.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - An issue was discovered in OpenCV 4.1.0. There is a divide-by-zero error in     cv::HOGDescriptor::getDescriptorSize in modules/objdetect/src/hog.cpp. (CVE-2019-15939)

Note that Nessus relies on the presence of the package as reported by the vendor.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - An issue was discovered in OpenCV 4.1.0. There is a divide-by-zero error in
    cv::HOGDescriptor::getDescriptorSize in modules/objdetect/src/hog.cpp. (CVE-2019-15939)

The remote Ubuntu 16.04 ESM / 18.04 ESM host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4818-1 advisory.

    It was discovered that OpenCV did not properly manage certain objects, leading to a divide-by-zero. If a     user were tricked into loading a specially crafted file, a remote attacker could potentially use this     issue to cause a denial of service or possibly execute arbitrary code. (CVE-2019-15939)

    It was discovered that OpenCV did not properly manage certain files, leading to an out of bounds read. If     a user were tricked into loading a specially crafted file, a remote attacker could potentially use this     issue to make OpenCV crash, resulting in a denial of service. This issue was only fixed in Ubuntu 18.04     ESM. (CVE-2019-14491, CVE-2019-14492)

    It was discovered that OpenCV did not properly manage certain XML data, leading to a NULL pointer     dereference. If a user were tricked into loading a specially crafted file, a remote attacker could     potentially use this issue to make OpenCV crash, resulting in a denial of service. This issue was only     fixed in Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. (CVE-2019-14493)

    It was discovered that OpenCV did not properly manage certain files, leading to a heap-based buffer     overflow. If a user were tricked into loading a specially crafted file, a remote attacker could     potentially use this issue to cause a denial of service or possibly execute arbitrary code. This issue     only affected Ubuntu 18.04 ESM. (CVE-2017-18009)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Debian 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-2799 advisory.

    Several security vulnerabilities have been discovered in OpenCV, the Open Computer Vision Library. Buffer     overflows, NULL pointer dereferences and out-of-bounds write errors may lead to a denial-of-service or     other unspecified impact. For Debian 9 stretch, these problems have been fixed in version     2.4.9.1+dfsg1-2+deb9u1. We recommend that you upgrade your opencv packages. For the detailed security     status of opencv please refer to its security tracker page at: https://security-     tracker.debian.org/tracker/opencv Further information about Debian LTS security advisories, how to apply     these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

This update for opencv fixes the following issues :

Security issues fixed :

CVE-2019-14491: Fixed an out of bounds read in the function cv:predictOrdered<cv:HaarEvaluator>, leading to DOS (bsc#1144352).

CVE-2019-14492: Fixed an out of bounds read/write in the function HaarEvaluator:OptFeature:calc, which leads to denial of service (bsc#1144348).

CVE-2019-15939: Fixed a divide-by-zero error in cv:HOGDescriptor:getDescriptorSize (bsc#1149742).

Non-security issue fixed :

Fixed an issue in opencv-devel that broke builds with 'No rule to make target opencv_calib3d-NOTFOUND' (bsc#1154091).

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

This update for opencv fixes the following issues :

Security issues fixed :

  - CVE-2019-14491: Fixed an out of bounds read in the     function cv:predictOrdered<cv:HaarEvaluator>, leading to     DOS (bsc#1144352).

  - CVE-2019-14492: Fixed an out of bounds read/write in the     function HaarEvaluator:OptFeature:calc, which leads to     denial of service (bsc#1144348).

  - CVE-2019-15939: Fixed a divide-by-zero error in     cv:HOGDescriptor:getDescriptorSize (bsc#1149742).

Non-security issue fixed :

  - Fixed an issue in opencv-devel that broke builds with     'No rule to make target opencv_calib3d-NOTFOUND'     (bsc#1154091).

This update was imported from the SUSE:SLE-15:Update update project.

This update for opencv fixes the following issues :

Security issues fixed :

CVE-2019-14491: Fixed an out of bounds read in the function cv:predictOrdered<haarevaluator>, leading to DOS (bsc#1144352).
</haarevaluator>

CVE-2019-14492: Fixed an out of bounds read/write in the function HaarEvaluator:OptFeature:calc, which leads to denial of service (bsc#1144348).

CVE-2019-15939: Fixed a divide-by-zero error in cv:HOGDescriptor:getDescriptorSize (bsc#1149742).

Non-security issue fixed: Fixed an issue in opencv-devel that broke builds with 'No rule to make target opencv_calib3d-NOTFOUND' (bsc#1154091).

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

ID	Name	Product	Family	Severity
222455	Linux Distros Unpatched Vulnerability : CVE-2019-15939	Nessus	Misc.	medium
416029	SCA: security update for opencv-contrib-python, opencv-contrib-python-headless, opencv-python, opencv-python-headless (GHSA-hxfw-jm98-v4mq)	Tenable Cloud Security	SCA Checks	medium
416029	SCA: security update for opencv-contrib-python, opencv-contrib-python-headless, opencv-python, opencv-python-headless (GHSA-hxfw-jm98-v4mq)	Tenable Self-Hosted Container Security	SCA Checks	medium
183130	Ubuntu 16.04 ESM / 18.04 ESM : OpenCV vulnerabilities (USN-4818-1)	Nessus	Ubuntu Local Security Checks	high
154752	Debian DLA-2799-1 : opencv - LTS security update	Nessus	Debian Local Security Checks	high
138254	SUSE SLED15 / SLES15 Security Update : opencv (SUSE-SU-2019:3192-2)	Nessus	SuSE Local Security Checks	high
131996	openSUSE Security Update : opencv (openSUSE-2019-2671)	Nessus	SuSE Local Security Checks	high
131760	SUSE SLED15 / SLES15 Security Update : opencv (SUSE-SU-2019:3192-1)	Nessus	SuSE Local Security Checks	high

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