Risk | High |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2019-12526 |
CWE-ID | CWE-122 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
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 high risk vulnerability.
EUVDB-ID: #VU22585
Risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-12526
CWE-ID:
CWE-122 - Heap-based Buffer Overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing URN requests. A remote attacker can send specially crafted request to the Squid client, trigger heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationUpdate the affected packages:
i686:Vulnerable software versions
squid-debuginfo-3.5.20-17.49.amzn1.i686
squid-3.5.20-17.49.amzn1.i686
squid-migration-script-3.5.20-17.49.amzn1.i686
src:
squid-3.5.20-17.49.amzn1.src
x86_64:
squid-migration-script-3.5.20-17.49.amzn1.x86_64
squid-3.5.20-17.49.amzn1.x86_64
squid-debuginfo-3.5.20-17.49.amzn1.x86_64
Amazon Linux AMI: All versions
squid: before 3.5.20-17.49
External linkshttp://alas.aws.amazon.com/ALAS-2023-1774.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.