- Issued:
- 2023-10-23
- Updated:
- 2023-10-23
RHSA-2023:6020 - Security Advisory
Synopsis
Important: varnish:6 security update
Type/Severity
Security Advisory: Important
Red Hat Insights patch analysis
Identify and remediate systems affected by this advisory.
Topic
An update for the varnish:6 module is now available for Red Hat Enterprise Linux 8.6 Extended Update Support.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
Varnish Cache is a high-performance HTTP accelerator. It stores web pages in memory so web servers don't have to create the same web page over and over again, giving the website a significant speed up.
Security Fix(es):
- HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Solution
For details on how to apply this update, which includes the changes described in this advisory, refer to:
Affected Products
- Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.6 x86_64
- Red Hat Enterprise Linux Server - AUS 8.6 x86_64
- Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.6 s390x
- Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.6 ppc64le
- Red Hat Enterprise Linux Server - TUS 8.6 x86_64
- Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.6 aarch64
- Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.6 ppc64le
- Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.6 x86_64
Fixes
- BZ - 2242803 - CVE-2023-44487 HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack)
CVEs
Note:
More recent versions of these packages may be available.
Click a package name for more details.
Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.6
| SRPM | |
|---|---|
| varnish-6.0.8-2.module+el8.6.0+20465+cbb0694f.2.src.rpm | SHA-256: 329d69a8c9c34354946b6f8dbfcbf9174897845c70efab0f8b34fbf7ec776ef3 |
| varnish-modules-0.15.0-6.module+el8.5.0+11976+0b4af72d.src.rpm | SHA-256: 4ebfe062040be919d50f2878a1a35f8990a676c8e210ee2c64ce31e447eda88c |
| x86_64 | |
| varnish-6.0.8-2.module+el8.6.0+20465+cbb0694f.2.x86_64.rpm | SHA-256: 5d9bb2eac87fedccfd7e99ac21a1ff71f21a53bc878132a4d710502e2420dca6 |
| varnish-devel-6.0.8-2.module+el8.6.0+20465+cbb0694f.2.x86_64.rpm | SHA-256: d787887629bd144729b2bd0da424b3c9f4fe9cf9eb02924cfd989b16b60c4a18 |
| varnish-docs-6.0.8-2.module+el8.6.0+20465+cbb0694f.2.x86_64.rpm | SHA-256: 419bd2c9b0bf87af6495e85e3cc15de14489a75c36308b1da37390b5e09fe96c |
| varnish-modules-0.15.0-6.module+el8.5.0+11976+0b4af72d.x86_64.rpm | SHA-256: 221f156f879f6969b2af2f2ccccba211ceb121381d01ac5409e6a7da963d6bfb |
| varnish-modules-debuginfo-0.15.0-6.module+el8.5.0+11976+0b4af72d.x86_64.rpm | SHA-256: 36af9dc02305d588e625d62a337c3a461722cd7205496ec3335589b20482ecc1 |
| varnish-modules-debugsource-0.15.0-6.module+el8.5.0+11976+0b4af72d.x86_64.rpm | SHA-256: 31eae30e8f83b9332500cbb394b84dce0ff9eea218040b7e76f157d24a2a7a71 |
Red Hat Enterprise Linux Server - AUS 8.6
| SRPM | |
|---|---|
| varnish-6.0.8-2.module+el8.6.0+20465+cbb0694f.2.src.rpm | SHA-256: 329d69a8c9c34354946b6f8dbfcbf9174897845c70efab0f8b34fbf7ec776ef3 |
| varnish-modules-0.15.0-6.module+el8.5.0+11976+0b4af72d.src.rpm | SHA-256: 4ebfe062040be919d50f2878a1a35f8990a676c8e210ee2c64ce31e447eda88c |
| x86_64 | |
| varnish-6.0.8-2.module+el8.6.0+20465+cbb0694f.2.x86_64.rpm | SHA-256: 5d9bb2eac87fedccfd7e99ac21a1ff71f21a53bc878132a4d710502e2420dca6 |
| varnish-devel-6.0.8-2.module+el8.6.0+20465+cbb0694f.2.x86_64.rpm | SHA-256: d787887629bd144729b2bd0da424b3c9f4fe9cf9eb02924cfd989b16b60c4a18 |
| varnish-docs-6.0.8-2.module+el8.6.0+20465+cbb0694f.2.x86_64.rpm | SHA-256: 419bd2c9b0bf87af6495e85e3cc15de14489a75c36308b1da37390b5e09fe96c |
| varnish-modules-0.15.0-6.module+el8.5.0+11976+0b4af72d.x86_64.rpm | SHA-256: 221f156f879f6969b2af2f2ccccba211ceb121381d01ac5409e6a7da963d6bfb |
| varnish-modules-debuginfo-0.15.0-6.module+el8.5.0+11976+0b4af72d.x86_64.rpm | SHA-256: 36af9dc02305d588e625d62a337c3a461722cd7205496ec3335589b20482ecc1 |
| varnish-modules-debugsource-0.15.0-6.module+el8.5.0+11976+0b4af72d.x86_64.rpm | SHA-256: 31eae30e8f83b9332500cbb394b84dce0ff9eea218040b7e76f157d24a2a7a71 |
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.6
| SRPM | |
|---|---|
| varnish-6.0.8-2.module+el8.6.0+20465+cbb0694f.2.src.rpm | SHA-256: 329d69a8c9c34354946b6f8dbfcbf9174897845c70efab0f8b34fbf7ec776ef3 |
| varnish-modules-0.15.0-6.module+el8.5.0+11976+0b4af72d.src.rpm | SHA-256: 4ebfe062040be919d50f2878a1a35f8990a676c8e210ee2c64ce31e447eda88c |
| s390x | |
| varnish-6.0.8-2.module+el8.6.0+20465+cbb0694f.2.s390x.rpm | SHA-256: ecf830fe9205b532584a11d7c5009b4739fbe0302fd9d7b69abac83ff4e19160 |
| varnish-devel-6.0.8-2.module+el8.6.0+20465+cbb0694f.2.s390x.rpm | SHA-256: d321bd9da0964bbdd3bcd1e66bd9afefcae2e7ebd4af2835c2b1f0d8412d9e2f |
| varnish-docs-6.0.8-2.module+el8.6.0+20465+cbb0694f.2.s390x.rpm | SHA-256: 488974df8a9f2a84217a5920da19deae3da03e2bb8df4f990e4a97ee81f761ff |
| varnish-modules-0.15.0-6.module+el8.5.0+11976+0b4af72d.s390x.rpm | SHA-256: 8166d71b6b85155f105a10550f19e93b96c377e2f613f4c4c26e9a6758773512 |
| varnish-modules-debuginfo-0.15.0-6.module+el8.5.0+11976+0b4af72d.s390x.rpm | SHA-256: 0f4a76a6f8c26c1128375e361cb97d2c886ade9bd6eb6d2da780b3e6f72fd64c |
| varnish-modules-debugsource-0.15.0-6.module+el8.5.0+11976+0b4af72d.s390x.rpm | SHA-256: 1118d2b495c331ac4a89d807e4278185625aa4fabff1efb6526678418e40ce3b |
Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.6
| SRPM | |
|---|---|
| varnish-6.0.8-2.module+el8.6.0+20465+cbb0694f.2.src.rpm | SHA-256: 329d69a8c9c34354946b6f8dbfcbf9174897845c70efab0f8b34fbf7ec776ef3 |
| varnish-modules-0.15.0-6.module+el8.5.0+11976+0b4af72d.src.rpm | SHA-256: 4ebfe062040be919d50f2878a1a35f8990a676c8e210ee2c64ce31e447eda88c |
| ppc64le | |
| varnish-6.0.8-2.module+el8.6.0+20465+cbb0694f.2.ppc64le.rpm | SHA-256: 95ab4428957912ca1c08ec742f0b1f9581c2b8e352d4d5923acd71ca0f9a5d1a |
| varnish-devel-6.0.8-2.module+el8.6.0+20465+cbb0694f.2.ppc64le.rpm | SHA-256: a99b4999fb2b7280a13eebcb524e83aa962b99d88573c46cb751d5991474df0b |
| varnish-docs-6.0.8-2.module+el8.6.0+20465+cbb0694f.2.ppc64le.rpm | SHA-256: 5519c8bc12ce37f2554917bae7e2b092827bbbd30ebe7bf0894c3e9d507916c4 |
| varnish-modules-0.15.0-6.module+el8.5.0+11976+0b4af72d.ppc64le.rpm | SHA-256: 5aa000a67dbaea78f3c7e06e3e47cb6d5ed27466e64e7cbd6e375d4ac30f5dc4 |
| varnish-modules-debuginfo-0.15.0-6.module+el8.5.0+11976+0b4af72d.ppc64le.rpm | SHA-256: e4cffa9afc9e318c18dcca237772c2237c8b08717ab56dda529d94d1772abafc |
| varnish-modules-debugsource-0.15.0-6.module+el8.5.0+11976+0b4af72d.ppc64le.rpm | SHA-256: 6535f94cd88b59b197081f74ea87859289d8bccb40be675493ad61a79d21214a |
Red Hat Enterprise Linux Server - TUS 8.6
| SRPM | |
|---|---|
| varnish-6.0.8-2.module+el8.6.0+20465+cbb0694f.2.src.rpm | SHA-256: 329d69a8c9c34354946b6f8dbfcbf9174897845c70efab0f8b34fbf7ec776ef3 |
| varnish-modules-0.15.0-6.module+el8.5.0+11976+0b4af72d.src.rpm | SHA-256: 4ebfe062040be919d50f2878a1a35f8990a676c8e210ee2c64ce31e447eda88c |
| x86_64 | |
| varnish-6.0.8-2.module+el8.6.0+20465+cbb0694f.2.x86_64.rpm | SHA-256: 5d9bb2eac87fedccfd7e99ac21a1ff71f21a53bc878132a4d710502e2420dca6 |
| varnish-devel-6.0.8-2.module+el8.6.0+20465+cbb0694f.2.x86_64.rpm | SHA-256: d787887629bd144729b2bd0da424b3c9f4fe9cf9eb02924cfd989b16b60c4a18 |
| varnish-docs-6.0.8-2.module+el8.6.0+20465+cbb0694f.2.x86_64.rpm | SHA-256: 419bd2c9b0bf87af6495e85e3cc15de14489a75c36308b1da37390b5e09fe96c |
| varnish-modules-0.15.0-6.module+el8.5.0+11976+0b4af72d.x86_64.rpm | SHA-256: 221f156f879f6969b2af2f2ccccba211ceb121381d01ac5409e6a7da963d6bfb |
| varnish-modules-debuginfo-0.15.0-6.module+el8.5.0+11976+0b4af72d.x86_64.rpm | SHA-256: 36af9dc02305d588e625d62a337c3a461722cd7205496ec3335589b20482ecc1 |
| varnish-modules-debugsource-0.15.0-6.module+el8.5.0+11976+0b4af72d.x86_64.rpm | SHA-256: 31eae30e8f83b9332500cbb394b84dce0ff9eea218040b7e76f157d24a2a7a71 |
Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.6
| SRPM | |
|---|---|
| varnish-6.0.8-2.module+el8.6.0+20465+cbb0694f.2.src.rpm | SHA-256: 329d69a8c9c34354946b6f8dbfcbf9174897845c70efab0f8b34fbf7ec776ef3 |
| varnish-modules-0.15.0-6.module+el8.5.0+11976+0b4af72d.src.rpm | SHA-256: 4ebfe062040be919d50f2878a1a35f8990a676c8e210ee2c64ce31e447eda88c |
| aarch64 | |
| varnish-6.0.8-2.module+el8.6.0+20465+cbb0694f.2.aarch64.rpm | SHA-256: b73242dea9313e783c354972490dd7ff45d7316575dd6a5f9cb153e0ac2aef88 |
| varnish-devel-6.0.8-2.module+el8.6.0+20465+cbb0694f.2.aarch64.rpm | SHA-256: 2ca22be954d04ef19d99d9f011f799662c752e7d3ca4e4268b9d95a485d2627f |
| varnish-docs-6.0.8-2.module+el8.6.0+20465+cbb0694f.2.aarch64.rpm | SHA-256: 41971e6433388b0e0cada8e5af39899ca31b92301d9bb6750f6f9df8e10739e3 |
| varnish-modules-0.15.0-6.module+el8.5.0+11976+0b4af72d.aarch64.rpm | SHA-256: e882c7096da09ad91dfd556cd565f38e0d35023f5aa0a5233da682fa54df8cf0 |
| varnish-modules-debuginfo-0.15.0-6.module+el8.5.0+11976+0b4af72d.aarch64.rpm | SHA-256: 4278121d0b416246faf799277094abd997146e564413376c11a5893b68a33f33 |
| varnish-modules-debugsource-0.15.0-6.module+el8.5.0+11976+0b4af72d.aarch64.rpm | SHA-256: a91b9c71657c6474f52e2dd3e4a573d3d8b999b7b0e2135e4febe56db54a7c4a |
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.6
| SRPM | |
|---|---|
| varnish-6.0.8-2.module+el8.6.0+20465+cbb0694f.2.src.rpm | SHA-256: 329d69a8c9c34354946b6f8dbfcbf9174897845c70efab0f8b34fbf7ec776ef3 |
| varnish-modules-0.15.0-6.module+el8.5.0+11976+0b4af72d.src.rpm | SHA-256: 4ebfe062040be919d50f2878a1a35f8990a676c8e210ee2c64ce31e447eda88c |
| ppc64le | |
| varnish-6.0.8-2.module+el8.6.0+20465+cbb0694f.2.ppc64le.rpm | SHA-256: 95ab4428957912ca1c08ec742f0b1f9581c2b8e352d4d5923acd71ca0f9a5d1a |
| varnish-devel-6.0.8-2.module+el8.6.0+20465+cbb0694f.2.ppc64le.rpm | SHA-256: a99b4999fb2b7280a13eebcb524e83aa962b99d88573c46cb751d5991474df0b |
| varnish-docs-6.0.8-2.module+el8.6.0+20465+cbb0694f.2.ppc64le.rpm | SHA-256: 5519c8bc12ce37f2554917bae7e2b092827bbbd30ebe7bf0894c3e9d507916c4 |
| varnish-modules-0.15.0-6.module+el8.5.0+11976+0b4af72d.ppc64le.rpm | SHA-256: 5aa000a67dbaea78f3c7e06e3e47cb6d5ed27466e64e7cbd6e375d4ac30f5dc4 |
| varnish-modules-debuginfo-0.15.0-6.module+el8.5.0+11976+0b4af72d.ppc64le.rpm | SHA-256: e4cffa9afc9e318c18dcca237772c2237c8b08717ab56dda529d94d1772abafc |
| varnish-modules-debugsource-0.15.0-6.module+el8.5.0+11976+0b4af72d.ppc64le.rpm | SHA-256: 6535f94cd88b59b197081f74ea87859289d8bccb40be675493ad61a79d21214a |
Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.6
| SRPM | |
|---|---|
| varnish-6.0.8-2.module+el8.6.0+20465+cbb0694f.2.src.rpm | SHA-256: 329d69a8c9c34354946b6f8dbfcbf9174897845c70efab0f8b34fbf7ec776ef3 |
| varnish-modules-0.15.0-6.module+el8.5.0+11976+0b4af72d.src.rpm | SHA-256: 4ebfe062040be919d50f2878a1a35f8990a676c8e210ee2c64ce31e447eda88c |
| x86_64 | |
| varnish-6.0.8-2.module+el8.6.0+20465+cbb0694f.2.x86_64.rpm | SHA-256: 5d9bb2eac87fedccfd7e99ac21a1ff71f21a53bc878132a4d710502e2420dca6 |
| varnish-devel-6.0.8-2.module+el8.6.0+20465+cbb0694f.2.x86_64.rpm | SHA-256: d787887629bd144729b2bd0da424b3c9f4fe9cf9eb02924cfd989b16b60c4a18 |
| varnish-docs-6.0.8-2.module+el8.6.0+20465+cbb0694f.2.x86_64.rpm | SHA-256: 419bd2c9b0bf87af6495e85e3cc15de14489a75c36308b1da37390b5e09fe96c |
| varnish-modules-0.15.0-6.module+el8.5.0+11976+0b4af72d.x86_64.rpm | SHA-256: 221f156f879f6969b2af2f2ccccba211ceb121381d01ac5409e6a7da963d6bfb |
| varnish-modules-debuginfo-0.15.0-6.module+el8.5.0+11976+0b4af72d.x86_64.rpm | SHA-256: 36af9dc02305d588e625d62a337c3a461722cd7205496ec3335589b20482ecc1 |
| varnish-modules-debugsource-0.15.0-6.module+el8.5.0+11976+0b4af72d.x86_64.rpm | SHA-256: 31eae30e8f83b9332500cbb394b84dce0ff9eea218040b7e76f157d24a2a7a71 |
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