Description
A UNIX Symbolic Link (Symlink) Following vulnerability in arpwatch of SUSE Linux Enterprise Server 11-SP4-LTSS, SUSE Manager Server 4.0, SUSE OpenStack Cloud Crowbar 9; openSUSE Factory, Leap 15.2 allows local attackers with control of the runtime user to run arpwatch as to escalate to root upon the next restart of arpwatch. This issue affects: SUSE Linux Enterprise Server 11-SP4-LTSS arpwatch versions prior to 2.1a15. SUSE Manager Server 4.0 arpwatch versions prior to 2.1a15. SUSE OpenStack Cloud Crowbar 9 arpwatch versions prior to 2.1a15. openSUSE Factory arpwatch version 2.1a15-169.5 and prior versions. openSUSE Leap 15.2 arpwatch version 2.1a15-lp152.5.5 and prior versions.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| SUSE | SUSE Linux Enterprise Server 11-SP4-LTSS | arpwatch – < 2.1a15 | 2.1a15 |
| SUSE | SUSE Manager Server 4.0 | arpwatch – < 2.1a15 | 2.1a15 |
| SUSE | SUSE OpenStack Cloud Crowbar 9 | arpwatch – < 2.1a15 | 2.1a15 |
| openSUSE | Factory | arpwatch – ≤ 2.1a15-169.5 | — |
| openSUSE | Leap 15.2 | arpwatch – ≤ 2.1a15-lp152.5.5 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | arpwatch | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | arpwatch | 2.1a15-5.12.1 | SUSE-SU-2021:2177-1 |
| SLES 15 SP2 | arpwatch | 2.1a15-5.12.1 | SUSE-SU-2021:2177-1 |
| SLES 15 SP1 | arpwatch | 2.1a15-5.12.1 | SUSE-SU-2021:2177-1 |
| SLES 15 | arpwatch | 2.1a15-5.12.1 | SUSE-SU-2021:2177-1 |
| SLES 12 SP5 | arpwatch | 2.1a15-159.9.1 | SUSE-SU-2021:2175-1 |
Show 21 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP4 | arpwatch | 2.1a15-159.9.1 | SUSE-SU-2021:2175-1 |
| SLES 12 SP3 | arpwatch | 2.1a15-159.9.1 | SUSE-SU-2021:2175-1 |
| SLES 12 SP2 | arpwatch | 2.1a15-159.9.1 | SUSE-SU-2021:2175-1 |
| SLES 11 SP4 | arpwatch | 2.1a15-131.23.2.6.1 | SUSE-SU-2021:14759-1 |
| SLES for SAP 15 SP1 | arpwatch | 2.1a15-5.12.1 | SUSE-SU-2021:2177-1 |
| SLES for SAP 15 | arpwatch | 2.1a15-5.12.1 | SUSE-SU-2021:2177-1 |
| SLES for SAP 12 SP5 | arpwatch | 2.1a15-159.9.1 | SUSE-SU-2021:2175-1 |
| SLES for SAP 12 SP4 | arpwatch | 2.1a15-159.9.1 | SUSE-SU-2021:2175-1 |
| SLES for SAP 12 SP3 | arpwatch | 2.1a15-159.9.1 | SUSE-SU-2021:2175-1 |
| SLE HPC 15 SP1 | arpwatch | 2.1a15-5.12.1 | SUSE-SU-2021:2177-1 |
| SLE HPC 15 | arpwatch | 2.1a15-5.12.1 | SUSE-SU-2021:2177-1 |
| SUSE OpenStack Cloud Crowbar 9 | arpwatch | 2.1a15-159.9.1 | SUSE-SU-2021:2175-1 |
| SUSE OpenStack Cloud Crowbar 8 | arpwatch | 2.1a15-159.9.1 | SUSE-SU-2021:2175-1 |
| SUSE OpenStack Cloud 9 | arpwatch | 2.1a15-159.9.1 | SUSE-SU-2021:2175-1 |
| SUSE OpenStack Cloud 8 | arpwatch | 2.1a15-159.9.1 | SUSE-SU-2021:2175-1 |
| SUSE Manager Server 4.0 | arpwatch | 2.1a15-5.12.1 | SUSE-SU-2021:2177-1 |
| SUSE Manager Retail Branch Server 4.0 | arpwatch | 2.1a15-5.12.1 | SUSE-SU-2021:2177-1 |
| SUSE Manager Proxy 4.0 | arpwatch | 2.1a15-5.12.1 | SUSE-SU-2021:2177-1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | arpwatch | 2.1a15-131.23.2.6.1 | SUSE-SU-2021:14759-1 |
| SUSE HPE Helion OpenStack 8 | arpwatch | 2.1a15-159.9.1 | SUSE-SU-2021:2175-1 |
| SUSE Enterprise Storage 6 | arpwatch | 2.1a15-5.12.1 | SUSE-SU-2021:2177-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | arpwatch | 3.1-1.2 | openSUSE-SU-2024:10634-1 |
| openSUSE Leap 15.3 | arpwatch | 2.1a15-5.12.1 | openSUSE-SU-2021:2177-1 |
| openSUSE Leap 15.2 | arpwatch | 2.1a15-lp152.6.9.1 | openSUSE-SU-2021:0945-1 |
Advisories 6
- SUSE-SU-2021:2177-1 Security update for arpwatch SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:14759-1 Security update for arpwatch SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10634-1 arpwatch-3.1-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0945-1 Security update for arpwatch SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:2177-1 Security update for arpwatch SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:2175-1 Security update for arpwatch SUSE / openSUSE Security Updates · May 2, 2025