Vulnerability CVE-2021-28041
Published: 2021-03-05

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.

Type:

CWE-415

 (Double Free)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Openbsd -> Openssh 

 References:
https://github.com/openssh/openssh-portable/commit/e04fd6dde16de1cdc5a4d9946397ff60d96568db
https://www.openssh.com/security.html
https://www.openssh.com/txt/release-8.5
https://www.openwall.com/lists/oss-security/2021/03/03/1
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