Amazon Linux AMI update for glib2

1) Integer overflow

EUVDB-ID: #VU95402

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-35457

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to integer overflow within the g_option_group_add_entries() function. A local user can trigger an integer overflow and execute arbitrary code on the target system.

Mitigation

Update the affected packages:

i686:
    glib2-debuginfo-2.36.3-5.27.amzn1.i686
    glib2-fam-2.36.3-5.27.amzn1.i686
    glib2-2.36.3-5.27.amzn1.i686
    glib2-devel-2.36.3-5.27.amzn1.i686

noarch:
    glib2-doc-2.36.3-5.27.amzn1.noarch

src:
    glib2-2.36.3-5.27.amzn1.src

x86_64:
    glib2-debuginfo-2.36.3-5.27.amzn1.x86_64
    glib2-fam-2.36.3-5.27.amzn1.x86_64
    glib2-2.36.3-5.27.amzn1.x86_64
    glib2-devel-2.36.3-5.27.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

glib2: All versions

CPE2.3

• cpe:2.3:o:amazon_web_services:amazon_linux_ami:*:*:*:*:*:*:*:*
• cpe:2.3:a:amazon_web_services:glib2:*:*:*:*:*:amazon_linux_ami:*:*

External links

https://alas.aws.amazon.com/ALAS-2024-1929.html

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.