Gentoo update for Mozilla Firefox
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2024-29943 CVE-2024-29944 |
| CWE-ID | CWE-787 CWE-94 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
Gentoo Linux Operating systems & Components / Operating system www-client/firefox Operating systems & Components / Operating system package or component |
| Vendor | Gentoo |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Out-of-bounds write
EUVDB-ID: #VU87735
Risk: High
CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2024-29943
CWE-ID:
CWE-787 - Out-of-bounds write
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to an error during range-based bounds check elimination when processing JavaScript objects. A remote attacker can create a specially crafted website, trick the victim into opening it, trigger an out-of-bounds write and execute arbitrary code on the target system.
MitigationUpdate the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:
Gentoo Linux: All versions
www-client/firefox: before 104
CPE2.3 External linkshttp://security.gentoo.org/glsa/202407-22
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.
2) Code Injection
EUVDB-ID: #VU87736
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-2024-29944
CWE-ID:
CWE-94 - Improper Control of Generation of Code ('Code Injection')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation. A remote attacker can send trick the victim to visit a specially crafted website, inject an event handler into a privileged object and execute arbitrary JavaScript on the system within the parent process.
Successful exploitation of the vulnerability may allow remote code execution.
Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:
Gentoo Linux: All versions
www-client/firefox: before 104
CPE2.3 External linkshttp://security.gentoo.org/glsa/202407-22
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.
