Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
Low
Attack Vector
Network
1

CVE-2020-28374

Disclosure Date: January 13, 2021
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

In drivers/target/target_core_xcopy.c in the Linux kernel before 5.10.7, insufficient identifier checking in the LIO SCSI target code can be used by remote attackers to read or write files via directory traversal in an XCOPY request, aka CID-2896c93811e3. For example, an attack can occur over a network if the attacker has access to one iSCSI LUN. The attacker gains control over file access because I/O operations are proxied via an attacker-selected backstore.

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CVSS V3 Severity and Metrics
Base Score:
8.1 High
Impact Score:
5.2
Exploitability Score:
2.8
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
None

General Information

Vendors

  • debian,
  • fedoraproject,
  • linux

Products

  • debian linux 10.0,
  • debian linux 9.0,
  • fedora 32,
  • fedora 33,
  • linux kernel

References

Additional Info

Technical Analysis