Fedora 39 update for ruby
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 5 |
| CVE-ID | CVE-2023-36617 CVE-2023-28755 CVE-2024-27281 CVE-2024-27280 CVE-2024-27282 |
| CWE-ID | CWE-185 CWE-20 CWE-125 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #2 is available. |
| Vulnerable software Subscribe |
Fedora Operating systems & Components / Operating system ruby Operating systems & Components / Operating system package or component |
| Vendor | Fedoraproject |
Security Bulletin
This security bulletin contains information about 5 vulnerabilities.
1) Incorrect Regular Expression
EUVDB-ID: #VU77803
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-36617
CWE-ID:
CWE-185 - Incorrect Regular Expression
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient input validation when parsing URL. A remote attacker can pass specially crafted URL to the application and perform regular expression denial of service (ReDos) attack.
Note, the vulnerability exists due to incomplete fix for #VU74004 (CVE-2023-28755).
Install updates from vendor's repository.
Vulnerable software versionsFedora: 39
ruby: before 3.2.4-182.fc39
CPE2.3 External linkshttp://bodhi.fedoraproject.org/updates/FEDORA-2024-31cac8b8ec
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.
2) Incorrect Regular Expression
EUVDB-ID: #VU74004
Risk: Medium
CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2023-28755
CWE-ID:
CWE-185 - Incorrect Regular Expression
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient input validation when processing URLs. A remote attacker can pass specially crafted URL to the application and perform regular expression denial of service (ReDos) attack.
MitigationInstall updates from vendor's repository.
Vulnerable software versionsFedora: 39
ruby: before 3.2.4-182.fc39
CPE2.3 External linkshttp://bodhi.fedoraproject.org/updates/FEDORA-2024-31cac8b8ec
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. However, proof of concept for this vulnerability is available.
3) Input validation error
EUVDB-ID: #VU87692
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-2024-27281
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the system.
The vulnerability exists due to insufficient validation of user-supplied input when parsing .rdoc_options as a YAML file. A remote attacker can pass specially crafted input to the application and execute arbitrary code on the target system.
MitigationInstall updates from vendor's repository.
Vulnerable software versionsFedora: 39
ruby: before 3.2.4-182.fc39
CPE2.3 External linkshttp://bodhi.fedoraproject.org/updates/FEDORA-2024-31cac8b8ec
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.
4) 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
DescriptionThe 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.
MitigationInstall updates from vendor's repository.
Vulnerable software versionsFedora: 39
ruby: before 3.2.4-182.fc39
CPE2.3 External linkshttp://bodhi.fedoraproject.org/updates/FEDORA-2024-31cac8b8ec
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.
5) Out-of-bounds read
EUVDB-ID: #VU88970
Risk: Medium
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2024-27282
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in Regex search. A remote attacker can pass specially crafted string to the application, trigger an out-of-bounds read error and read contents of heap memory on the system.
MitigationInstall updates from vendor's repository.
Vulnerable software versionsFedora: 39
ruby: before 3.2.4-182.fc39
CPE2.3 External linkshttp://bodhi.fedoraproject.org/updates/FEDORA-2024-31cac8b8ec
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.
