Description
A symlink following vulnerability in the packaging of mailman in SUSE Linux Enterprise Server 11, SUSE Linux Enterprise Server 12; openSUSE Leap 15.1 allowed local attackers to escalate their privileges from user wwwrun to root. Additionally arbitrary files could be changed to group mailman. This issue affects: SUSE Linux Enterprise Server 11 mailman versions prior to 2.1.15-9.6.15.1. SUSE Linux Enterprise Server 12 mailman versions prior to 2.1.17-3.11.1. openSUSE Leap 15.1 mailman version 2.1.29-lp151.2.14 and prior versions.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| SUSE | SUSE Linux Enterprise Server 11 | mailman – < 2.1.15-9.6.15.1 | 2.1.15-9.6.15.1 |
| SUSE | SUSE Linux Enterprise Server 12 | mailman – < 2.1.17-3.11.1 | 2.1.17-3.11.1 |
| openSUSE | Leap 15.1 | mailman – ≤ 2.1.29-lp151.2.14 | — |
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.
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP5 | mailman | 2.1.17-3.11.1 | SUSE-SU-2019:3076-1 |
| SLES 12 SP4 | mailman | 2.1.17-3.11.1 | SUSE-SU-2019:3076-1 |
| SLES 12 SP3 | mailman | 2.1.17-3.11.1 | SUSE-SU-2019:3076-1 |
| SLES 12 SP2 | mailman | 2.1.17-3.11.1 | SUSE-SU-2019:3076-1 |
| SLES 12 SP1 | mailman | 2.1.17-3.11.1 | SUSE-SU-2019:3076-1 |
Show 13 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 11 SP4 | mailman | 2.1.15-9.6.15.1 | SUSE-SU-2019:14230-1 |
| SLES for SAP 12 SP5 | mailman | 2.1.17-3.11.1 | SUSE-SU-2019:3076-1 |
| SLES for SAP 12 SP4 | mailman | 2.1.17-3.11.1 | SUSE-SU-2019:3076-1 |
| SLES for SAP 12 SP3 | mailman | 2.1.17-3.11.1 | SUSE-SU-2019:3076-1 |
| SLES for SAP 12 SP2 | mailman | 2.1.17-3.11.1 | SUSE-SU-2019:3076-1 |
| SLES for SAP 12 SP1 | mailman | 2.1.17-3.11.1 | SUSE-SU-2019:3076-1 |
| SUSE Package Hub 15 SP1 | mailman | 2.1.29-bp151.5.3.1 | openSUSE-SU-2020:0156-1 |
| SUSE OpenStack Cloud Crowbar 8 | mailman | 2.1.17-3.11.1 | SUSE-SU-2019:3076-1 |
| SUSE OpenStack Cloud 8 | mailman | 2.1.17-3.11.1 | SUSE-SU-2019:3076-1 |
| SUSE OpenStack Cloud 7 | mailman | 2.1.17-3.11.1 | SUSE-SU-2019:3076-1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | mailman | 2.1.15-9.6.15.1 | SUSE-SU-2019:14230-1 |
| SUSE HPE Helion OpenStack 8 | mailman | 2.1.17-3.11.1 | SUSE-SU-2019:3076-1 |
| SUSE Enterprise Storage 5 | mailman | 2.1.17-3.11.1 | SUSE-SU-2019:3076-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.1 | mailman | 2.1.29-lp151.3.3.1 | openSUSE-SU-2020:0148-1 |
Advisories 4
- openSUSE-SU-2020:0148-1 Security update for mailman SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:14230-1 Security update for mailman SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:3076-1 Security update for mailman SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:0156-1 Security update for mailman SUSE / openSUSE Security Updates · Feb 4, 2026
References
- openSUSE-SU-2020:0148 vendor-advisory
- openSUSE-SU-2020:0156 vendor-advisory
- https://bugzilla.suse.com/show_bug.cgi?id=1154328