Improper Privilege Management in xen (Alpine package)
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-27671 |
| CWE-ID | CWE-269 |
| Exploitation vector | Local network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
xen (Alpine package) Operating systems & Components / Operating system package or component |
| Vendor | Alpine Linux Development Team |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Improper Privilege Management
EUVDB-ID: #VU48638
Risk: Medium
CVSSv3.1: 6.2 [CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-27671
CWE-ID:
CWE-269 - Improper Privilege Management
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges.
The vulnerability exists due to improper privilege management within the IOMMU TLB implementation. A local user on a guest OS can escalate privileges on the system by running a specially crafted application.
MitigationInstall update from vendor's website.
Vulnerable software versionsxen (Alpine package): 4.11.2-r0 - 4.13.2-r4
External linkshttp://git.alpinelinux.org/aports/commit/?id=b7415ec9fb42dde32333fbc1e4575f6bcf11cb32
http://git.alpinelinux.org/aports/commit/?id=7c351cb852f0cee887b3fcb3a76be20f51350a1a
http://git.alpinelinux.org/aports/commit/?id=b47f6b6f2e6b179714227cc362a24b0bdb78a028
http://git.alpinelinux.org/aports/commit/?id=7335a7d4162b6694682183dfea682f282843d5f3
http://git.alpinelinux.org/aports/commit/?id=91c8694f2fdbc9ff757dc2f658107b9a87428d10
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
