Denial of Service in ovmf
ID: | RHSA-2018:3090-01 |
Distribution: | Red Hat |
Plattformen: | Red Hat Enterprise Linux |
Datum: | Di, 30. Oktober 2018, 09:29 |
Referenzen: | https://access.redhat.com/security/cve/CVE-2018-0739 |
Applikationen: | ovmf |
Originalnachricht |
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: ovmf security, bug fix, and enhancement update Advisory ID: RHSA-2018:3090-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2018:3090 Issue date: 2018-10-30 Cross references: CVE-2018-0739 CVE Names: CVE-2018-0739 ===================================================================== 1. Summary: An update for ovmf is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. 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. 2. Relevant releases/architectures: Red Hat Enterprise Linux Server (v. 7) - noarch Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - noarch 3. Description: OVMF (Open Virtual Machine Firmware) is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM. The following packages have been upgraded to a later upstream version: ovmf (20180508). (BZ#1559542) Security Fix(es): * openssl: Handling of crafted recursive ASN.1 structures can cause a stack overflow and resulting denial of service (CVE-2018-0739) For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.6 Release Notes linked from the References section. 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 5. Bugs fixed (https://bugzilla.redhat.com/): 1561128 - OVMF Secure boot enablement (enrollment of default keys) 1561266 - CVE-2018-0739 openssl: Handling of crafted recursive ASN.1 structures can cause a stack overflow and resulting denial of service 1577546 - no input consoles connected under certain circumstances 1579518 - EFI_RNG_PROTOCOL no longer produced for virtio-rng 1607792 - add 'Provides: bundled(openssl) = 1.1.0h' to the spec file 6. Package List: Red Hat Enterprise Linux Server (v. 7): Source: ovmf-20180508-3.gitee3198e672e2.el7.src.rpm noarch: OVMF-20180508-3.gitee3198e672e2.el7.noarch.rpm Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7): Source: ovmf-20180508-3.gitee3198e672e2.el7.src.rpm noarch: AAVMF-20180508-3.gitee3198e672e2.el7.noarch.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/ 7. References: https://access.redhat.com/security/cve/CVE-2018-0739 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.6_release_notes/index 8. Contact: The Red Hat security contact is |