Amazon Linux AMI update for graphviz



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-18032
CWE-ID CWE-122
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Amazon Linux AMI
Operating systems & Components / Operating system

Vendor Amazon Web Services

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Heap-based buffer overflow

EUVDB-ID: #VU53290

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-18032

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in lib/common/shapes.c. A remote attacker can pass specially crafted data to the application, trigger heap-based buffer overflow and perform a denial of service (DoS) attack.


Mitigation

Update the affected packages:

i686:
    graphviz-python27-2.38.0-18.52.amzn1.i686
    graphviz-guile-2.38.0-18.52.amzn1.i686
    graphviz-doc-2.38.0-18.52.amzn1.i686
    graphviz-devel-2.38.0-18.52.amzn1.i686
    graphviz-python26-2.38.0-18.52.amzn1.i686
    graphviz-ruby-2.38.0-18.52.amzn1.i686
    graphviz-php54-2.38.0-18.52.amzn1.i686
    graphviz-tcl-2.38.0-18.52.amzn1.i686
    graphviz-2.38.0-18.52.amzn1.i686
    graphviz-R-2.38.0-18.52.amzn1.i686
    graphviz-java-2.38.0-18.52.amzn1.i686
    graphviz-lua-2.38.0-18.52.amzn1.i686
    graphviz-graphs-2.38.0-18.52.amzn1.i686
    graphviz-debuginfo-2.38.0-18.52.amzn1.i686
    graphviz-gd-2.38.0-18.52.amzn1.i686
    graphviz-perl-2.38.0-18.52.amzn1.i686

src:
    graphviz-2.38.0-18.52.amzn1.src

x86_64:
    graphviz-devel-2.38.0-18.52.amzn1.x86_64
    graphviz-lua-2.38.0-18.52.amzn1.x86_64
    graphviz-tcl-2.38.0-18.52.amzn1.x86_64
    graphviz-perl-2.38.0-18.52.amzn1.x86_64
    graphviz-python26-2.38.0-18.52.amzn1.x86_64
    graphviz-gd-2.38.0-18.52.amzn1.x86_64
    graphviz-guile-2.38.0-18.52.amzn1.x86_64
    graphviz-graphs-2.38.0-18.52.amzn1.x86_64
    graphviz-R-2.38.0-18.52.amzn1.x86_64
    graphviz-java-2.38.0-18.52.amzn1.x86_64
    graphviz-2.38.0-18.52.amzn1.x86_64
    graphviz-ruby-2.38.0-18.52.amzn1.x86_64
    graphviz-doc-2.38.0-18.52.amzn1.x86_64
    graphviz-debuginfo-2.38.0-18.52.amzn1.x86_64
    graphviz-php54-2.38.0-18.52.amzn1.x86_64
    graphviz-python27-2.38.0-18.52.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

CPE2.3 External links

https://alas.aws.amazon.com/ALAS-2021-1513.html


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.



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