Overview
- Description
- Signal handler race condition in OpenSSH before 4.4 allows remote attackers to cause a denial of service (crash), and possibly execute arbitrary code if GSSAPI authentication is enabled, via unspecified vectors that lead to a double-free.
- Source
- secalert@redhat.com
- NVD status
- Modified
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 8.1
- Impact score
- 5.9
- Exploitability score
- 2.2
- Vector string
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Severity
- HIGH
CVSS 2.0
- Type
- Primary
- Base score
- 9.3
- Impact score
- 10
- Exploitability score
- 8.6
- Vector string
- AV:N/AC:M/Au:N/C:C/I:C/A:C
Weaknesses
- nvd@nist.gov
- CWE-415
Social media
- Hype score
- Not currently trending
Evaluator
- Comment
- -
- Impact
- Successful code execution exploitation requires that GSSAPI authentication is enabled.
- Solution
- Successful code execution exploitation requires that GSSAPI authentication is enabled.
Vendor comments
- Red HatRed Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch.
Configurations
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