Ubuntu update for ruby2.3
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2022-28739 |
| CWE-ID | CWE-704 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Ubuntu Operating systems & Components / Operating system ruby2.3 (Ubuntu package) Operating systems & Components / Operating system package or component libruby2.3 (Ubuntu package) Operating systems & Components / Operating system package or component |
| Vendor | Canonical Ltd. |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Type conversion
EUVDB-ID: #VU62081
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-2022-28739
CWE-ID:
CWE-704 - Type conversion
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to a type conversion error in some convertion methods like Kernel#Float</code> and <code>String#to_f. A remote attacker can pass specially crafted data to the affected application, trigger memory corruption and execute arbitrary code in the system.
Update the affected package ruby2.3 to the latest version.
Vulnerable software versionsUbuntu: 16.04
ruby2.3 (Ubuntu package): before 2.3.12~ubuntu16.04.16+esm3
libruby2.3 (Ubuntu package): before 2.3.12~ubuntu16.04.16+esm3
External linkshttp://ubuntu.com/security/notices/USN-5462-2
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.
