Description
ssh-agent in OpenSSH before 8.5 has a double free that may be relevant in a few less-common scenarios, such as unconstrained agent-socket access on a legacy operating system, or the forwarding of an agent to an attacker-controlled host.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected products
- fedoraproject / fedora34 – 34
- fedoraproject / fedora33 – 33
- NetApp / cloud_backup
- NetApp / hci_compute_node_firmware
- NetApp / hci_management_node
- NetApp / hci_storage_node_firmware
- NetApp / solidfire
- OpenBSD / OpenSSH8.2 – 8.5
- oracle / communications_offline_mediation_controller12.0.0.3.0 – 12.0.0.3.0
- oracle / zfs_storage_appliance8.8 – 8.8
References
- MISChttps://www.openssh.com/security.html
- MAILING_LISThttps://www.openwall.com/lists/oss-security/2021/03/03/1
- PATCHhttps://github.com/openssh/openssh-portable/commit/e04fd6dde16de1cdc5a4d9946397ff60d96568db
- MISChttps://www.openssh.com/txt/release-8.5
- MAILING_LISThttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TXST2CML2MWY3PNVUXX7FFJE3ATJMNVZ/
- MISChttps://security.gentoo.org/glsa/202105-35
- MAILING_LISThttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KQWGII3LQR4AOTPPFXGMTYE7UDEWIUKI/
- VENDOR_ADVISORYhttps://www.oracle.com//security-alerts/cpujul2021.html
- MISChttps://security.netapp.com/advisory/ntap-20210416-0002/
Updated 15m ago · 8 sources