Vulnerability Monitor

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CVE-2015-4021


The phar_parse_tarfile function in ext/phar/tar.c in PHP before 5.4.41, 5.5.x before 5.5.25, and 5.6.x before 5.6.9 does not verify that the first character of a filename is different from the \0 character, which allows remote attackers to cause a denial of service (integer underflow and memory corruption) via a crafted entry in a tar archive.


Published

2015-06-09T18:59:04.567

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-189

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System redhat enterprise_linux_desktop 7.0 Yes
Operating System redhat enterprise_linux_hpc_node 7.0 Yes
Operating System redhat enterprise_linux_hpc_node_eus 7.1 Yes
Operating System redhat enterprise_linux_server 7.0 Yes
Operating System redhat enterprise_linux_server_eus 7.1 Yes
Operating System redhat enterprise_linux_workstation 7.0 Yes
Operating System apple mac_os_x ≤ 10.10.4 Yes
Operating System redhat enterprise_linux 6.0 Yes
Operating System redhat enterprise_linux 7.0 Yes
Application php php ≤ 5.4.40 Yes
Application php php 5.4.39 Yes
Application php php 5.5.0 Yes
Application php php 5.5.0 Yes
Application php php 5.5.0 Yes
Application php php 5.5.0 Yes
Application php php 5.5.0 Yes
Application php php 5.5.0 Yes
Application php php 5.5.0 Yes
Application php php 5.5.0 Yes
Application php php 5.5.0 Yes
Application php php 5.5.0 Yes
Application php php 5.5.0 Yes
Application php php 5.5.0 Yes
Application php php 5.5.0 Yes
Application php php 5.5.1 Yes
Application php php 5.5.2 Yes
Application php php 5.5.3 Yes
Application php php 5.5.4 Yes
Application php php 5.5.5 Yes
Application php php 5.5.6 Yes
Application php php 5.5.7 Yes
Application php php 5.5.8 Yes
Application php php 5.5.9 Yes
Application php php 5.5.10 Yes
Application php php 5.5.11 Yes
Application php php 5.5.12 Yes
Application php php 5.5.13 Yes
Application php php 5.5.14 Yes
Application php php 5.5.18 Yes
Application php php 5.5.19 Yes
Application php php 5.5.20 Yes
Application php php 5.5.21 Yes
Application php php 5.5.22 Yes
Application php php 5.5.23 Yes
Application php php 5.5.24 Yes
Application php php 5.6.0 Yes
Application php php 5.6.0 Yes
Application php php 5.6.0 Yes
Application php php 5.6.0 Yes
Application php php 5.6.0 Yes
Application php php 5.6.0 Yes
Application php php 5.6.0 Yes
Application php php 5.6.0 Yes
Application php php 5.6.0 Yes
Application php php 5.6.2 Yes
Application php php 5.6.3 Yes
Application php php 5.6.4 Yes
Application php php 5.6.5 Yes
Application php php 5.6.6 Yes
Application php php 5.6.7 Yes
Application php php 5.6.8 Yes

References