Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-3445 |
CWE-ID | CWE-347 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
libdnf Universal components / Libraries / Libraries used by multiple products |
Vendor | rpm-software-management |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU54480
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-3445
CWE-ID:
CWE-347 - Improper Verification of Cryptographic Signature
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to insufficient verification of cryptographic signature in libdnf. A remote attacker can create a specially crafted RPM package with altered header information, trick the victim into installing it and compromise the affected system.
Install updates from vendor's website.
Vulnerable software versionslibdnf: 0.7.0 - 0.60.0
External linkshttp://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/G4NL7TNWAHJ6JVRABQUPWHKKCTHUZMNF/
http://bugzilla.redhat.com/show_bug.cgi?id=1932079
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DPMFGGQ5T6WVFTFX3OKMVTTM5O4EXWZR/
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.