CVE-2023-6004

Summary

A flaw was found in libssh. By utilizing the ProxyCommand or ProxyJump feature, users can exploit unchecked hostname syntax on the client. This issue may allow an attacker to inject malicious code into the command of the features mentioned through the hostname parameter.

Affected Software

VendorProductVersion RangeStatus
Red HatRed Hat Enterprise Linux 80:0.9.6-14.el8 < *unaffected
Red HatRed Hat Enterprise Linux 80:0.9.6-14.el8 < *unaffected
Red HatRed Hat Enterprise Linux 90:0.10.4-13.el9 < *unaffected
Red HatRed Hat Enterprise Linux 90:0.10.4-13.el9 < *unaffected

Weaknesses

  • CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Workarounds

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References