The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2020:1792 advisory.

  - curl: TFTP receive heap buffer overflow in tftp_receive_packet() function (CVE-2019-5436)

  - curl: double free due to subsequent call of realloc() (CVE-2019-5481)

  - curl: heap buffer overflow in function tftp_receive_packet() (CVE-2019-5482)

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

The remote Oracle Linux 7 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2020-1020 advisory.

    - Fix TFTP small blocksize heap buffer overflow     (https://curl.haxx.se/docs/CVE-2019-5482.html)[CVE-2019-5482][Orabug: 30568724]
    - CVE-2016-8615 cookie injection for other servers (https://curl.haxx.se/docs/CVE-2016-8615.html)
    - CVE-2016-8616 case insensitive password comparison (https://curl.haxx.se/docs/CVE-2016-8616.html)
    - CVE-2016-8617 OOB write via unchecked multiplication (https://curl.haxx.se/docs/CVE-2016-8617.html)
    - CVE-2016-8618 double-free in curl_maprintf (https://curl.haxx.se/docs/CVE-2016-8618.html)
    - CVE-2016-8619 double-free in krb5 code (https://curl.haxx.se/docs/CVE-2016-8619.html)
    - CVE-2016-8621 curl_getdate read out of bounds (https://curl.haxx.se/docs/CVE-2016-8621.html)
    - CVE-2016-8622 URL unescape heap overflow via integer truncation     (https://curl.haxx.se/docs/CVE-2016-8622.html)
    - CVE-2016-8623 Use-after-free via shared cookies (https://curl.haxx.se/docs/CVE-2016-8623.html)
    - CVE-2016-8624 invalid URL parsing with # (https://curl.haxx.se/docs/CVE-2016-8624.html)

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

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

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-1792 advisory.

    - double free due to subsequent call of realloc() (CVE-2019-5481)
    - fix heap buffer overflow in function tftp_receive_packet() (CVE-2019-5482)

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

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

An update of the cmake package has been released.

curl security problems :

CVE-2019-5435: Integer overflows in curl_url_set()

libcurl contains two integer overflows in the curl_url_set() function that if triggered, can lead to a too small buffer allocation and a subsequent heap buffer overflow.

The flaws only exist on 32 bit architectures and require excessive string input lengths.

CVE-2019-5436: TFTP receive buffer overflow

libcurl contains a heap buffer overflow in the function (tftp_receive_packet()) that recevives data from a TFTP server. It calls recvfrom() with the default size for the buffer rather than with the size that was used to allocate it. Thus, the content that might overwrite the heap memory is entirely controlled by the server.

The flaw exists if the user selects to use a 'blksize' of 504 or smaller (default is 512). The smaller size that is used, the larger the possible overflow becomes.

Users chosing a smaller size than default should be rare as the primary use case for changing the size is to make it larger.

It is rare for users to use TFTP across the Internet. It is most commonly used within local networks.

This update for curl fixes the following issues :

Security issue fixed :

CVE-2019-5436: Fixed a heap buffer overflow exists in tftp_receive_packet that receives data from a TFTP server (bsc#1135170).

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.

- fix TFTP receive buffer overflow (CVE-2019-5436)

  - fix integer overflows in curl_url_set() (CVE-2019-5435)

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

An integer overflow in curl's URL API results in a buffer overflow in libcurl. (CVE-2019-5435)

A heap buffer overflow in the TFTP receiving code allows for DoS or arbitrary code execution in libcurl. (CVE-2019-5436)

According to the version of the curl packages installed, the EulerOS installation on the remote host is affected by the following vulnerability :

  - A heap buffer overflow in the TFTP receiving code     allows for DoS or arbitrary code execution in libcurl     versions 7.19.4 through 7.64.1.(CVE-2019-5436)

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.

According to the version of the curl packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerability :

  - A heap buffer overflow in the TFTP receiving code     allows for DoS or arbitrary code execution in libcurl     versions 7.19.4 through 7.64.1.(CVE-2019-5436)

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.

The remote CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:1020 advisory.

  - A heap buffer overflow in the TFTP receiving code allows for DoS or arbitrary code execution in libcurl     versions 7.19.4 through 7.64.1. (CVE-2019-5436)

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

ID	Name	Product	Family	Published	Updated	Severity
146018	CentOS 8 : curl (CESA-2020:1792)	Nessus	CentOS Local Security Checks	2/1/2021	1/24/2024	critical
180679	Oracle Linux 7 : curl (ELSA-2020-1020)	Nessus	Oracle Linux Local Security Checks	9/7/2023	10/22/2024	high
180880	Oracle Linux 8 : curl (ELSA-2020-1792)	Nessus	Oracle Linux Local Security Checks	9/7/2023	10/22/2024	critical
203839	Photon OS 3.0: Cmake PHSA-2023-3.0-0603	Nessus	PhotonOS Local Security Checks	7/24/2024	7/24/2024	critical
125441	FreeBSD : curl -- multiple vulnerabilities (dd343a2b-7ee7-11e9-a290-8ddc52868fa9)	Nessus	FreeBSD Local Security Checks	5/28/2019	5/20/2024	high
125470	SUSE SLED15 / SLES15 Security Update : curl (SUSE-SU-2019:1357-1)	Nessus	SuSE Local Security Checks	5/28/2019	5/20/2024	high
125786	Fedora 29 : curl (2019-697de0501f)	Nessus	Fedora Local Security Checks	6/10/2019	5/16/2024	high
126957	Amazon Linux 2 : curl (ALAS-2019-1233)	Nessus	Amazon Linux Local Security Checks	7/24/2019	5/8/2024	high
127023	EulerOS 2.0 SP8 : curl (EulerOS-SA-2019-1786)	Nessus	Huawei Local Security Checks	7/25/2019	5/8/2024	high
128101	EulerOS 2.0 SP5 : curl (EulerOS-SA-2019-1809)	Nessus	Huawei Local Security Checks	8/23/2019	5/2/2024	high
128927	EulerOS Virtualization for ARM 64 3.0.2.0 : curl (EulerOS-SA-2019-1924)	Nessus	Huawei Local Security Checks	9/17/2019	4/25/2024	high
135317	CentOS 7 : curl (RHSA-2020:1020)	Nessus	CentOS Local Security Checks	4/10/2020	10/9/2024	high

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