openEuler 20.03 LTS SP4 update for firefox
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2021-29984 CVE-2021-29988 |
| CWE-ID | CWE-119 CWE-125 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
openEuler Operating systems & Components / Operating system mozilla-crashreporter-firefox-debuginfo Operating systems & Components / Operating system package or component firefox-debugsource Operating systems & Components / Operating system package or component firefox-debuginfo Operating systems & Components / Operating system package or component firefox Operating systems & Components / Operating system package or component |
| Vendor | openEuler |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Buffer overflow
EUVDB-ID: #VU55682
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-2021-29984
CWE-ID:
CWE-119 - Memory corruption
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 performing JIT optimization. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP4
mozilla-crashreporter-firefox-debuginfo: before 79.0-28
firefox-debugsource: before 79.0-28
firefox-debuginfo: before 79.0-28
firefox: before 79.0-28
CPE2.3 External linkshttp://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-1893
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) Out-of-bounds read
EUVDB-ID: #VU55680
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-2021-29988
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to a boundary condition when treating inline list-item element as a block element. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger an out-of-bounds read error and execute arbitrary code on the system.
Install updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP4
mozilla-crashreporter-firefox-debuginfo: before 79.0-28
firefox-debugsource: before 79.0-28
firefox-debuginfo: before 79.0-28
firefox: before 79.0-28
CPE2.3 External linkshttp://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-1893
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.
