openEuler 20.03 LTS SP1 update for libdnf
| 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 |
openEuler Operating systems & Components / Operating system python2-hawkey Operating systems & Components / Operating system package or component libdnf-debugsource Operating systems & Components / Operating system package or component python3-libdnf Operating systems & Components / Operating system package or component libdnf-debuginfo Operating systems & Components / Operating system package or component python2-libdnf Operating systems & Components / Operating system package or component libdnf-devel Operating systems & Components / Operating system package or component python3-hawkey Operating systems & Components / Operating system package or component libdnf Operating systems & Components / Operating system package or component |
| Vendor | openEuler |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Improper Verification of Cryptographic Signature
EUVDB-ID: #VU54480
Risk: Medium
CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
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 repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP1
python2-hawkey: before 0.48.0-2
libdnf-debugsource: before 0.48.0-2
python3-libdnf: before 0.48.0-2
libdnf-debuginfo: before 0.48.0-2
python2-libdnf: before 0.48.0-2
libdnf-devel: before 0.48.0-2
python3-hawkey: before 0.48.0-2
libdnf: before 0.48.0-2
CPE2.3- cpe:2.3:o:openeuler:openeuler:20.03:LTS SP1:*:*:*:*:*:*
- cpe:2.3:a:openeuler:python2-hawkey:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:libdnf-debugsource:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:python3-libdnf:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:libdnf-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:python2-libdnf:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:libdnf-devel:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:python3-hawkey:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:libdnf:*:*:*:*:*:openeuler:*:*
https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2021-1224
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.
