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SUSE SLED12 / SLES12 Security Update : python-reportlab (SUSE-SU-2021:3209-1)

medium Nessus Plugin ID 153614

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Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLED12 / SLES12 host has a package installed that is affected by a vulnerability as referenced in the SUSE-SU-2021:3209-1 advisory.

 - All versions of package reportlab are vulnerable to Server-side Request Forgery (SSRF) via img tags. In order to reduce risk, use trustedSchemes & trustedHosts (see in Reportlab's documentation) Steps to reproduce by Karan Bamal: 1. Download and install the latest package of reportlab 2. Go to demos -> odyssey -> dodyssey 3. In the text file odyssey.txt that needs to be converted to pdf inject <img src=http://127.0.0.1:5000 valign=top/> 4. Create a nc listener nc -lp 5000 5. Run python3 dodyssey.py 6. You will get a hit on your nc showing we have successfully proceded to send a server side request 7.
 dodyssey.py will show error since there is no img file on the url, but we are able to do SSRF (CVE-2020-28463)

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 python-reportlab package.

See Also

https://bugzilla.suse.com/1182503

https://bugzilla.suse.com/1190110

https://www.suse.com/security/cve/CVE-2020-28463

http://www.nessus.org/u?6cf69e5d

Plugin Details

Severity: Medium

ID: 153614

File Name: suse_SU-2021-3209-1.nasl

Version: 1.4

Type: local

Agent: unix

Published: 9/24/2021

Updated: 7/13/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3.1

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

CVSS Score Source: CVE-2020-28463

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:python-reportlab, cpe:/o:novell:suse_linux:12

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/23/2021

Vulnerability Publication Date: 2/18/2021

Reference Information

CVE: CVE-2020-28463

SuSE: SUSE-SU-2021:3209-1