Fedora EPEL 9 update for libsass, python-libsass, python-qtsass
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2022-43357 CVE-2022-43358 |
| CWE-ID | CWE-787 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
Fedora Operating systems & Components / Operating system python-qtsass Operating systems & Components / Operating system package or component python-libsass Operating systems & Components / Operating system package or component libsass Operating systems & Components / Operating system package or component |
| Vendor | Fedoraproject |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Out-of-bounds write
EUVDB-ID: #VU84725
Risk: High
CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2022-43357
CWE-ID:
CWE-787 - Out-of-bounds write
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input within the Sass::CompoundSelector::has_real_parent_ref() function. A remote attacker can pass specially crafted input to the application, trigger an out-of-bounds write and execute arbitrary code on the target system.
MitigationInstall updates from vendor's repository.
Vulnerable software versionsFedora: 9
python-qtsass: before 0.4.0-4.el9
python-libsass: before 0.23.0-2.el9
libsass: before 3.6.6-1.el9
CPE2.3- cpe:2.3:o:fedoraproject:fedora:9:*:*:*:*:*:*:*
- cpe:2.3:a:fedoraproject:python-qtsass:*:*:*:*:*:fedora:*:*
- cpe:2.3:a:fedoraproject:python-libsass:*:*:*:*:*:fedora:*:*
- cpe:2.3:a:fedoraproject:libsass:*:*:*:*:*:fedora:*:*
https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2024-c3521d114d
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 write
EUVDB-ID: #VU84726
Risk: High
CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2022-43358
CWE-ID:
CWE-787 - Out-of-bounds write
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input within the Sass::ComplexSelector::has_placeholder() function in ast_selectors.cpp. A remote attacker can pass specially crafted input to the application, trigger an out-of-bounds write and execute arbitrary code on the target system.
MitigationInstall updates from vendor's repository.
Vulnerable software versionsFedora: 9
python-qtsass: before 0.4.0-4.el9
python-libsass: before 0.23.0-2.el9
libsass: before 3.6.6-1.el9
CPE2.3- cpe:2.3:o:fedoraproject:fedora:9:*:*:*:*:*:*:*
- cpe:2.3:a:fedoraproject:python-qtsass:*:*:*:*:*:fedora:*:*
- cpe:2.3:a:fedoraproject:python-libsass:*:*:*:*:*:fedora:*:*
- cpe:2.3:a:fedoraproject:libsass:*:*:*:*:*:fedora:*:*
https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2024-c3521d114d
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.
