Out-of-bounds read in StringIO



Published: 2024-03-21
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-27280
CWE-ID CWE-125
Exploitation vector Network
Public exploit N/A
Vulnerable software
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StringIO
Universal components / Libraries / Libraries used by multiple products

Vendor Ruby

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Out-of-bounds read

EUVDB-ID: #VU87693

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-27280

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in the "ungetbyte" and "ungetc" methods. A remote attacker can trigger an out-of-bounds read error and read contents of memory on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

StringIO: 3.0.0 - 3.0.1

External links

http://www.ruby-lang.org/en/news/2024/03/21/buffer-overread-cve-2024-27280/


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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