Libssh: libssh: denial of service via automatic certificate authentication loop
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 | affected |
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| Red Hat | Red Hat Hardened Images | affected |
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| Red Hat | Red Hat Enterprise Linux 8 | unaffected | — | ||||||
| Red Hat | Red Hat Enterprise Linux 9 | unaffected | — |
Configuration 1 [-]
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Configuration 2 [-]
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No data.
| Vendor | Product | Versions | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Libssh | Libssh |
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| Redhat | Enterprise Linux |
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| Redhat | Hardened Images |
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Vendor Workaround
Do not connect to untrusted SSH servers and do not use certificates until patched.
| Source | ID | Title |
|---|---|---|
Debian DSA |
DSA-6410-1 | libssh security update |
Ubuntu USN |
USN-8699-1 | libssh vulnerabilities |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.438% probability within 30 days)
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:/o:redhat:enterprise_linux:9 |
cpe:/a:redhat:enterprise_linux:8 cpe:/a:redhat:enterprise_linux:9 |
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Redhat enterprise Linux For Els
Redhat enterprise Linux For Eus Redhat enterprise Linux For Ibm Z Systems Redhat enterprise Linux For Ibm Z Systems Els Redhat enterprise Linux For Ibm Z Systems Eus Redhat enterprise Linux For Power Little Endian Redhat enterprise Linux For Power Little Endian Els Redhat enterprise Linux For Power Little Endian Eus |
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| CPEs | cpe:2.3:a:libssh:libssh:*:*:*:*:*:*:*:* cpe:2.3:a:libssh:libssh:0.12.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:arm64:* cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:x64:* cpe:2.3:o:redhat:enterprise_linux:10.2:*:*:*:*:*:arm64:* cpe:2.3:o:redhat:enterprise_linux:10.2:*:*:*:*:*:x64:* cpe:2.3:o:redhat:enterprise_linux_for_els:10.2:*:*:*:*:*:arm64:* cpe:2.3:o:redhat:enterprise_linux_for_els:10.2:*:*:*:*:*:x64:* cpe:2.3:o:redhat:enterprise_linux_for_eus:10.2:*:*:*:*:*:arm64:* cpe:2.3:o:redhat:enterprise_linux_for_eus:10.2:*:*:*:*:*:x64:* cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:10.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:10.2:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_els:10.2:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:10.2:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:10.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:10.2:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_els:10.2:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:10.2:*:*:*:*:*:*:* |
|
| Vendors & Products |
Redhat enterprise Linux For Els
Redhat enterprise Linux For Eus Redhat enterprise Linux For Ibm Z Systems Redhat enterprise Linux For Ibm Z Systems Els Redhat enterprise Linux For Ibm Z Systems Eus Redhat enterprise Linux For Power Little Endian Redhat enterprise Linux For Power Little Endian Els Redhat enterprise Linux For Power Little Endian Eus |
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:/o:redhat:enterprise_linux:10.2 | |
| References |
|
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Libssh
Libssh libssh Redhat hardened Images |
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| Vendors & Products |
Libssh
Libssh libssh Redhat hardened Images |
| Type | Values Removed | Values Added |
|---|---|---|
| References |
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| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
| Type | Values Removed | Values Added |
|---|---|---|
| References |
| |
| Metrics |
threat_severity
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threat_severity
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| Type | Values Removed | Values Added |
|---|---|---|
| Description | A flaw was found in libssh. Logic errors in automatic certificate-based public key authentication can cause libssh clients to loop indefinitely when configured certificates are missing or repeatedly rejected by a server, leading to denial of service. | |
| Title | Libssh: libssh: denial of service via automatic certificate authentication loop | |
| First Time appeared |
Redhat
Redhat enterprise Linux Redhat hummingbird |
|
| Weaknesses | CWE-835 | |
| CPEs | cpe:/a:redhat:hummingbird:1 cpe:/o:redhat:enterprise_linux:10 cpe:/o:redhat:enterprise_linux:8 cpe:/o:redhat:enterprise_linux:9 |
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| Vendors & Products |
Redhat
Redhat enterprise Linux Redhat hummingbird |
|
| References |
| |
| Metrics |
cvssV3_1
|