Vulnerability Monitor

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CVE-2016-6296

Integer signedness error in the simplestring_addn function in simplestring.c in xmlrpc-epi through 0.54.2, as used in PHP before 5.5.38, 5.6.x before 5.6.24, and 7.x before 7.0.9, allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a long first argument to the PHP xmlrpc_encode_request function.

Published

2016-07-25T14:59:10.297

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 9.8 (CRITICAL)

CVSSv2 Vector

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

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

10.0

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-119
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application php php ≤ 5.5.37 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 5.6.1 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
Application php php 5.6.9 Yes
Application php php 5.6.10 Yes
Application php php 5.6.11 Yes
Application php php 5.6.12 Yes
Application php php 5.6.13 Yes
Application php php 5.6.14 Yes
Application php php 5.6.15 Yes
Application php php 5.6.16 Yes
Application php php 5.6.17 Yes
Application php php 5.6.18 Yes
Application php php 5.6.19 Yes
Application php php 5.6.20 Yes
Application php php 5.6.21 Yes
Application php php 5.6.22 Yes
Application php php 5.6.23 Yes
Application php php 7.0.0 Yes
Application php php 7.0.1 Yes
Application php php 7.0.2 Yes
Application php php 7.0.3 Yes
Application php php 7.0.4 Yes
Application php php 7.0.5 Yes
Application php php 7.0.8 Yes
References