Red Hat Enterprise Linux 8 update for python-reportlab



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-17626
CWE-ID CWE-91
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 Red Hat Enterprise Linux for x86_64
Operating systems & Components / Operating system

Vendor Red Hat Inc.

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) XML injection

EUVDB-ID: #VU24685

Risk: High

CVSSv4.0: 8.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber]

CVE-ID: CVE-2019-17626

CWE-ID: CWE-91 - XML Injection

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to the affected software does not properly handle user-supplied XML files within the "toColor(eval(arg))" in colors.py. A remote unauthenticated attacker can execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

PoC:

<myroot>
    <label>hello-world</label>
    <row1>
            <html>
                <span color="open('/tmp/colors_poc.txt','wb').write('hello world!')">abcdef</span>
            </html>
    </row1>
</myroot>

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux for x86_64: 8.0

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2020:0201


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.



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