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Linux Distros Unpatched Vulnerability : CVE-2020-15503

high Nessus Plugin ID 223243

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Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

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

 - LibRaw before 0.20-RC1 lacks a thumbnail size range check. This affects decoders/unpack_thumb.cpp, postprocessing/mem_image.cpp, and utils/thumb_utils.cpp. For example, malloc(sizeof(libraw_processed_image_t)+T.tlength) occurs without validating T.tlength. (CVE-2020-15503)

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

Solution

There is no known solution at this time.

See Also

https://access.redhat.com/security/cve/cve-2020-15503

https://ubuntu.com/security/CVE-2020-15503

Plugin Details

Severity: High

ID: 223243

File Name: unpatched_CVE_2020_15503.nasl

Version: 1.5

Type: local

Agent: unix

Family: Misc.

Published: 3/4/2025

Updated: 9/14/2025

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2020-15503

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:16.04:-:lts, p-cpe:/a:centos:centos:libraw, p-cpe:/a:redhat:enterprise_linux:libraw, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libraw, cpe:/o:canonical:ubuntu_linux:25.04, p-cpe:/a:canonical:ubuntu_linux:dcraw, p-cpe:/a:canonical:ubuntu_linux:exactimage, p-cpe:/a:canonical:ubuntu_linux:kodi, p-cpe:/a:canonical:ubuntu_linux:ufraw, cpe:/o:centos:centos:7, cpe:/o:redhat:enterprise_linux:7, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:centos:centos:libraw-devel, p-cpe:/a:centos:centos:libraw-static, p-cpe:/a:redhat:enterprise_linux:libraw-devel, p-cpe:/a:redhat:enterprise_linux:libraw-static, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:darktable, p-cpe:/a:canonical:ubuntu_linux:rawtherapee

Required KB Items: Host/local_checks_enabled, Host/cpu, global_settings/vendor_unpatched, Host/OS/identifier

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 7/2/2020

Reference Information

CVE: CVE-2020-15503