common/snapshots.py in Back In Time (aka backintime) 0.9.26 changes certain permissions to 0777 before deleting the files in an old backup snapshot, which allows local users to obtain sensitive information by reading these files, or interfere with backup integrity by modifying files that are shared across snapshots.

Threat-Mapped Scoring

Score: 3.0

Priority: P2 - Serious (High)

• S1 – Steal Customer Account Information

EPSS

Score: 0.00059
Percentile: 0.18634

CVSS Scoring

Mapped CWE(s)

• CWE-732 : Incorrect Permission Assignment for Critical Resource

All CAPEC(s)

CAPEC(s) with Mapped TTPs

Mapped ATT&CK TTPs

• T1574.010 : Services File Permissions Weakness
  Kill Chain: persistence
• T1548 : Abuse Elevation Control Mechanism
  Kill Chain: privilege-escalation
• T1083 : File and Directory Discovery
  Kill Chain: discovery
• T1574.005 : Executable Installer File Permissions Weakness
  Kill Chain: persistence
• T1574.010 : Services File Permissions Weakness
  Kill Chain: persistence
• T1574.010 : Services File Permissions Weakness
  Kill Chain: persistence
• T1553.002 : Code Signing
  Kill Chain: defense-evasion
• T1134.001 : Token Impersonation/Theft
  Kill Chain: defense-evasion
• T1550.004 : Web Session Cookie
  Kill Chain: defense-evasion
• T1505.005 : Terminal Services DLL
  Kill Chain: persistence
• T1554 : Compromise Host Software Binary
  Kill Chain: persistence
• T1574.005 : Executable Installer File Permissions Weakness
  Kill Chain: persistence

Malware

APTs Threat Group Associations

Campaigns

Affected Products

• cpe:2.3:a:le-web:backintime:0.9.26:*:*:*:*:*:*:*
• cpe:2.3:o:fedoraproject:fedora:10:*:*:*:*:*:*:*
• cpe:2.3:o:fedoraproject:fedora:11:*:*:*:*:*:*:*

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