Upstream information
Description
An issue was discovered in Squid 2.x through 2.7.STABLE9, 3.x through 3.5.28, and 4.x through 4.7. When Squid is configured to use Basic Authentication, the Proxy-Authorization header is parsed via uudecode. uudecode determines how many bytes will be decoded by iterating over the input and checking its table. The length is then used to start decoding the string. There are no checks to ensure that the length it calculates isn't greater than the input buffer. This leads to adjacent memory being decoded as well. An attacker would not be able to retrieve the decoded data unless the Squid maintainer had configured the display of usernames on error pages.SUSE information
Overall state of this security issue: Running
This issue is currently rated as having moderate severity.
| National Vulnerability Database | |
|---|---|
| Base Score | 4.3 |
| Vector | AV:N/AC:M/Au:N/C:P/I:N/A:N |
| Access Vector | Network |
| Access Complexity | Medium |
| Authentication | None |
| Confidentiality Impact | Partial |
| Integrity Impact | None |
| Availability Impact | None |
| National Vulnerability Database | SUSE | |
|---|---|---|
| Base Score | 5.9 | 4.3 |
| Vector | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |
| Access Vector | Network | Network |
| Access Complexity | High | Low |
| Privileges Required | None | None |
| User Interaction | None | Required |
| Scope | Unchanged | Unchanged |
| Confidentiality Impact | High | Low |
| Integrity Impact | None | None |
| Availability Impact | None | None |
| CVSSv3 Version | 3 | 3 |
- SUSE-SU-2019:2089-1, published Thu Aug 8 07:11:07 MDT 2019
- SUSE-SU-2019:2089-2, published Fri Aug 16 19:13:30 MDT 2019
- SUSE-SU-2019:2975-1, published Thu Nov 14 13:14:11 MST 2019
- SUSE-SU-2020:14460-1, published Mon Aug 24 10:13:29 MDT 2020
- openSUSE-SU-2019:2540-1, published Thu, 21 Nov 2019 18:17:03 +0100 (CET)
- openSUSE-SU-2019:2541-1, published Thu, 21 Nov 2019 18:20:01 +0100 (CET)
List of released packages
| Product(s) | Fixed package version(s) | References |
|---|---|---|
| HPE Helion Openstack 8 |
| Patchnames: HPE-Helion-OpenStack-8-2019-2089 |
| SUSE Enterprise Storage 4 |
| Patchnames: SUSE-Storage-4-2019-2089 |
| SUSE Enterprise Storage 5 |
| Patchnames: SUSE-Storage-5-2019-2089 |
| SUSE Linux Enterprise High Performance Computing 12 SP5 SUSE Linux Enterprise Server 12 SP5 |
| |
| SUSE Linux Enterprise Module for Server Applications 15 SP1 |
| Patchnames: SUSE-SLE-Module-Server-Applications-15-SP1-2019-2975 |
| SUSE Linux Enterprise Module for Server Applications 15 SP2 |
| |
| SUSE Linux Enterprise Module for Server Applications 15 |
| Patchnames: SUSE-SLE-Module-Server-Applications-15-2019-2975 |
| SUSE Linux Enterprise Point of Sale 11 SP3 |
| Patchnames: sleposp3-squid3-14460 |
| SUSE Linux Enterprise Point of Sale 12 SP2-CLIENT |
| Patchnames: SUSE-SLE-POS-12-SP2-CLIENT-2019-2089 |
| SUSE Linux Enterprise Server 11 SP4-LTSS SUSE Linux Enterprise Server for SAP Applications 11 SP4-LTSS |
| Patchnames: slessp4-squid3-14460 |
| SUSE Linux Enterprise Server 12 SP2-BCL SUSE Linux Enterprise Server for SAP Applications 12 SP2-BCL |
| Patchnames: SUSE-SLE-SERVER-12-SP2-BCL-2019-2089 |
| SUSE Linux Enterprise Server 12 SP2-ESPOS SUSE Linux Enterprise Server for SAP Applications 12 SP2-ESPOS |
| Patchnames: SUSE-SLE-SERVER-12-SP2-ESPOS-2019-2089 |
| SUSE Linux Enterprise Server 12 SP2-LTSS SUSE Linux Enterprise Server for SAP Applications 12 SP2-LTSS |
| Patchnames: SUSE-SLE-SERVER-12-SP2-2019-2089 |
| SUSE Linux Enterprise Server 12 SP3-BCL SUSE Linux Enterprise Server for SAP Applications 12 SP3-BCL |
| Patchnames: SUSE-SLE-SERVER-12-SP3-BCL-2019-2089 |
| SUSE Linux Enterprise Server 12 SP3-ESPOS SUSE Linux Enterprise Server for SAP Applications 12 SP3-ESPOS |
| Patchnames: SUSE-SLE-SERVER-12-SP3-ESPOS-2019-2089 |
| SUSE Linux Enterprise Server 12 SP3-LTSS SUSE Linux Enterprise Server for SAP Applications 12 SP3-LTSS |
| Patchnames: SUSE-SLE-SERVER-12-SP3-2019-2089 |
| SUSE Linux Enterprise Server 12 SP4 SUSE Linux Enterprise Server for SAP Applications 12 SP4 |
| Patchnames: SUSE-SLE-SERVER-12-SP4-2019-2089 |
| SUSE Linux Enterprise Server for SAP Applications 12 SP2 |
| Patchnames: SUSE-SLE-SAP-12-SP2-2019-2089 |
| SUSE Linux Enterprise Server for SAP Applications 12 SP3 |
| Patchnames: SUSE-SLE-SAP-12-SP3-2019-2089 |
| SUSE OpenStack Cloud 7 |
| Patchnames: SUSE-OpenStack-Cloud-7-2019-2089 |
| SUSE OpenStack Cloud 8 |
| Patchnames: SUSE-OpenStack-Cloud-8-2019-2089 |
| SUSE OpenStack Cloud Crowbar 8 |
| Patchnames: SUSE-OpenStack-Cloud-Crowbar-8-2019-2089 |
| openSUSE Leap 15.0 |
| Patchnames: openSUSE-2019-2540 |
| openSUSE Leap 15.1 |
| Patchnames: openSUSE-2019-2541 |
Status of this issue by product and package
Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification.
| Product(s) | Source package | State |
|---|---|---|
| SLES for SAP Applications | squid | Affected |
| SLES for SAP Applications | squid3 | Affected |
| SUSE Linux Enterprise 15 Module for Server Applications | squid | Released |
| SUSE Linux Enterprise 15-SP1 Module for Server Applications | squid | Released |
| SUSE Linux Enterprise High Performance Computing 12 SP4 | squid | Already fixed |
| SUSE Linux Enterprise Server 11 SP3 LTSS | squid | Affected |
| SUSE Linux Enterprise Server 11 SP3 LTSS | squid3 | Affected |
| SUSE Linux Enterprise Server 11 SP4 LTSS | squid | Affected |
| SUSE Linux Enterprise Server 11 SP4 LTSS | squid3 | Released |
| SUSE Linux Enterprise Server 12 LTSS | squid | Affected |
| SUSE Linux Enterprise Server 12 SP1 LTSS | squid | Affected |
| SUSE Linux Enterprise Server 12 SP2 LTSS | squid | Already fixed |
| SUSE Linux Enterprise Server 12 SP3 | squid | Already fixed |
| SUSE Linux Enterprise Server 12 SP4 | squid | Already fixed |
| SUSE Linux Enterprise Server for SAP Applications 12 | squid | Affected |
| SUSE Linux Enterprise Server for SAP Applications 12 SP2 | squid | Already fixed |
| SUSE Linux Enterprise Server for SAP Applications 12 SP3 | squid | Already fixed |
| SUSE Linux Enterprise Server for SAP Applications 12 SP4 | squid | Already fixed |
