Description
The /usr/sbin/pinger binary packaged with squid in SUSE Linux Enterprise Server 15 before and including version 4.8-5.8.1 and in SUSE Linux Enterprise Server 12 before and including 3.5.21-26.17.1 had squid:root, 0750 permissions. This allowed an attacker that compromissed the squid user to gain persistence by changing the binary
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| SUSE | SUSE Linux Enterprise Server 15 | squid – ≤ 4.8-5.8.1 | — |
| SUSE | SUSE Linux Enterprise Server 12 | squid – ≤ 3.5.21-26.17.1 | — |
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 15 SP1 | squid | 4.9-5.11.1 | SUSE-SU-2019:2975-1 |
| SLES 15 | permissions | 20180125-3.18.1 | SUSE-SU-2020:1163-1, SUSE-SU-2019:3182-1 |
| SLES 15 | squid | 4.9-5.11.1 | SUSE-SU-2019:2975-1 |
| SLES 12 SP5 | permissions | 20170707-3.14.1 | SUSE-SU-2021:2280-1, SUSE-SU-2019:3183-1 |
| SLES 12 SP4 | permissions | 20170707-3.14.1 | SUSE-SU-2019:3183-1 |
| SLES 12 SP3 | permissions | 2015.09.28.1626-17.20.1 | SUSE-SU-2019:3180-1 |
Show 12 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | permissions | 2015.09.28.1626-17.20.1 | SUSE-SU-2019:3180-1 |
| SLES for SAP 15 | permissions | 20180125-3.21.1 | SUSE-SU-2020:1163-1 |
| SLES for SAP 12 SP5 | permissions | 20170707-3.14.1 | SUSE-SU-2021:2280-1, SUSE-SU-2019:3183-1 |
| SLES for SAP 12 SP4 | permissions | 20170707-3.14.1 | SUSE-SU-2019:3183-1 |
| SLES for SAP 12 SP3 | permissions | 2015.09.28.1626-17.20.1 | SUSE-SU-2019:3180-1 |
| SLES for SAP 12 SP2 | permissions | 2015.09.28.1626-17.20.1 | SUSE-SU-2019:3180-1 |
| SLE HPC 15 | permissions | 20180125-3.21.1 | SUSE-SU-2020:1163-1 |
| SUSE OpenStack Cloud Crowbar 8 | permissions | 2015.09.28.1626-17.20.1 | SUSE-SU-2019:3180-1 |
| SUSE OpenStack Cloud 8 | permissions | 2015.09.28.1626-17.20.1 | SUSE-SU-2019:3180-1 |
| SUSE OpenStack Cloud 7 | permissions | 2015.09.28.1626-17.20.1 | SUSE-SU-2019:3180-1 |
| SUSE HPE Helion OpenStack 8 | permissions | 2015.09.28.1626-17.20.1 | SUSE-SU-2019:3180-1 |
| SUSE Enterprise Storage 5 | permissions | 2015.09.28.1626-17.20.1 | SUSE-SU-2019:3180-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | permissions | 1550_20210901.1550-29.2 | openSUSE-SU-2024:11165-1 |
| openSUSE Leap 15.3 | permissions | 20200127-lp153.24.3.1 | openSUSE-SU-2021:1520-1 |
| openSUSE Leap 15.1 | permissions | 20181116-lp151.4.9.1 | openSUSE-SU-2019:2672-1 |
| openSUSE Leap 15.1 | squid | 4.9-lp151.2.7.1 | openSUSE-SU-2019:2541-1 |
| openSUSE Leap 15.0 | squid | 4.9-lp150.13.1 | openSUSE-SU-2019:2540-1 |
Advisories 11
- SUSE-SU-2019:3182-1 Security update for permissions SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:1163-1 Security update for permissions SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:3183-1 Security update for permissions SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:1520-1 Security update for permissions SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:2280-1 Security update for permissions SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:2541-1 Security update for squid SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:2672-1 Security update for permissions SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11165-1 chkstat-1550_20210901-29.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2975-1 Security update for squid SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:2540-1 Security update for squid SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:3180-1 Security update for permissions SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://bugzilla.suse.com/show_bug.cgi?id=1093414
- openSUSE-SU-2019:2540 vendor-advisory
- openSUSE-SU-2019:2541 vendor-advisory
- openSUSE-SU-2019:2672 vendor-advisory