Amazon Linux AMI update for gd

Published: 2023-04-06

Risk	High
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2021-40145
CWE-ID	CWE-415
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Amazon Linux AMI Operating systems & Components / Operating system gd Operating systems & Components / Operating system package or component
Vendor	Amazon Web Services

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Double Free

EUVDB-ID: #VU74503

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-40145

CWE-ID: CWE-415 - Double Free

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error within the gdImageGd2Ptr() function in gd_gd2.c. A remote attacker can pass specially crafted data to the application, trigger double free error and execute arbitrary code on the target system.

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

Mitigation

Update the affected packages:

i686:
    gd-devel-2.0.35-11.11.amzn1.i686
    gd-2.0.35-11.11.amzn1.i686
    gd-progs-2.0.35-11.11.amzn1.i686
    gd-debuginfo-2.0.35-11.11.amzn1.i686

src:
    gd-2.0.35-11.11.amzn1.src

x86_64:
    gd-devel-2.0.35-11.11.amzn1.x86_64
    gd-2.0.35-11.11.amzn1.x86_64
    gd-progs-2.0.35-11.11.amzn1.x86_64
    gd-debuginfo-2.0.35-11.11.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

gd: before 2.0.35-11.11

External links

http://alas.aws.amazon.com/ALAS-2023-1721.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.