Fedora EPEL 8 update for uriparser
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2021-46141 CVE-2021-46142 |
| CWE-ID | CWE-416 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
Fedora Operating systems & Components / Operating system uriparser Operating systems & Components / Operating system package or component |
| Vendor | Fedoraproject |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Use-after-free
EUVDB-ID: #VU60085
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-46141
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to crash the application.
The vulnerability exists due to a use-after-free error when parsing URI in uriFreeUriMembers and uriMakeOwner in uriparser. A remote attacker can trick the victim to open a specially crafted URI, trigger a use-after-free error and crash the application that us using the affected library.
Upgrade uriparser to version 0.9.7-1.el8.
Vulnerable software versionsFedora: 8
uriparser: before 0.9.7-1.el8
CPE2.3 External linkshttp://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2023-d9589cec98
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) Use-after-free
EUVDB-ID: #VU60086
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-46142
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to crash the application.
The vulnerability exists due to a use-after-free error when parsing URI in uriNormalizeSyntax in uriparser. A remote attacker can trick the victim to open a specially crafted URI, trigger a use-after-free error and crash the application that us using the affected library. MitigationUpgrade uriparser to version 0.9.7-1.el8.
Vulnerable software versionsFedora: 8
uriparser: before 0.9.7-1.el8
CPE2.3 External linkshttp://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2023-d9589cec98
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.
