Arch Linux update for systemd
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-13529 |
| CWE-ID | CWE-341 |
| Exploitation vector | Local network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Arch Linux Operating systems & Components / Operating system |
| Vendor | Arch Linux |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Predictable from Observable State
EUVDB-ID: #VU52596
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-13529
CWE-ID:
CWE-341 - Predictable from Observable State
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to reconfigure the target device.
The vulnerability exists due to usage of predictable Transactions Identifiers when processing DHCP ACK packets. A remote attacker on the same network can forge the FORCERENEW and DHCP ACK packets to reconfigure the systemd’s DHCP client settings.
Update the affected package systemd to version 249-2.
Vulnerable software versionsArch Linux: All versions
External linkshttp://security.archlinux.org/advisory/ASA-202107-29
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
