Amazon Linux AMI update for squid



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-49285
CWE-ID CWE-125
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Amazon Linux AMI
Operating systems & Components / Operating system

squid
Operating systems & Components / Operating system package or component

Vendor Amazon Web Services

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Out-of-bounds read

EUVDB-ID: #VU83629

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-2023-49285

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

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

The vulnerability exists due to a boundary condition when handling HTTP messages. A remote attacker can send specially crafted data to the server, trigger an out-of-bounds read error and crash the proxy server.

Mitigation

Update the affected packages:

i686:
    squid-3.5.20-17.53.amzn1.i686
    squid-migration-script-3.5.20-17.53.amzn1.i686
    squid-debuginfo-3.5.20-17.53.amzn1.i686

src:
    squid-3.5.20-17.53.amzn1.src

x86_64:
    squid-debuginfo-3.5.20-17.53.amzn1.x86_64
    squid-3.5.20-17.53.amzn1.x86_64
    squid-migration-script-3.5.20-17.53.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

squid: before 3.5.20-17.53

CPE2.3 External links

https://alas.aws.amazon.com/ALAS-2024-1901.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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