RHEL 8 : curl (RHSA-2020:1792)

critical Nessus Plugin ID 136051
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Synopsis

The remote Red Hat host is missing one or more security updates.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-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.

Solution

Update the affected packages.

See Also

https://cwe.mitre.org/data/definitions/122.html

https://cwe.mitre.org/data/definitions/416.html

https://access.redhat.com/security/cve/CVE-2019-5436

https://access.redhat.com/security/cve/CVE-2019-5481

https://access.redhat.com/security/cve/CVE-2019-5482

https://access.redhat.com/errata/RHSA-2020:1792

https://bugzilla.redhat.com/1710620

https://bugzilla.redhat.com/1749402

https://bugzilla.redhat.com/1749652

Plugin Details

Severity: Critical

ID: 136051

File Name: redhat-RHSA-2020-1792.nasl

Version: 1.5

Type: local

Agent: unix

Published: 4/28/2020

Updated: 7/21/2021

Dependencies: ssh_get_info.nasl, redhat_repos.nasl

Risk Information

CVSS Score Source: CVE-2019-5482

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:rhel_aus:8.2, cpe:/o:redhat:rhel_aus:8.4, cpe:/o:redhat:rhel_e4s:8.2, cpe:/o:redhat:rhel_e4s:8.4, cpe:/o:redhat:rhel_eus:8.2, cpe:/o:redhat:rhel_eus:8.4, cpe:/o:redhat:rhel_tus:8.2, cpe:/o:redhat:rhel_tus:8.4, p-cpe:/a:redhat:enterprise_linux:curl, p-cpe:/a:redhat:enterprise_linux:libcurl, p-cpe:/a:redhat:enterprise_linux:libcurl-devel, p-cpe:/a:redhat:enterprise_linux:libcurl-minimal

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 4/28/2020

Vulnerability Publication Date: 5/22/2019

Reference Information

CVE: CVE-2019-5436, CVE-2019-5481, CVE-2019-5482

BID: 108435

RHSA: 2020:1792

CWE: 122, 416