// For flags

CVE-2016-6296

php: Heap buffer overflow vulnerability in simplestring_addn in simplestring.c

Severity Score

9.8
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Error de firma de entero en la función simplestring_addn en simplestring.c en xmlrpc-epi hasta la versión 0.54.2, tal como se utiliza en PHP en versiones anteriores a 5.5.38, 5.6.x en versiones anteriores a 5.6.24 y 7.x en versiones anteriores a 7.0.9, permite a atacantes remotos provocar una denegación de servicio (desbordamiento de buffer basado en memoria dinámica) o posiblemente tener otro impacto no especificado a través de un primer argumento largo para la función xmlrpc_encode_request de PHP.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
Attack Vector
Local
Attack Complexity
High
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2016-07-24 CVE Reserved
  • 2016-07-25 CVE Published
  • 2023-11-08 EPSS Updated
  • 2024-08-06 CVE Updated
  • 2024-08-06 First Exploit
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
  • CWE-122: Heap-based Buffer Overflow
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Php
Search vendor "Php"
Php
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<= 5.5.37
Search vendor "Php" for product "Php" and version " <= 5.5.37"
-
Affected
Php
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Php
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5.6.0
Search vendor "Php" for product "Php" and version "5.6.0"
alpha1
Affected
Php
Search vendor "Php"
Php
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5.6.0
Search vendor "Php" for product "Php" and version "5.6.0"
alpha2
Affected
Php
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Php
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5.6.0
Search vendor "Php" for product "Php" and version "5.6.0"
alpha3
Affected
Php
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Php
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5.6.0
Search vendor "Php" for product "Php" and version "5.6.0"
alpha4
Affected
Php
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Php
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5.6.0
Search vendor "Php" for product "Php" and version "5.6.0"
alpha5
Affected
Php
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Php
Search vendor "Php" for product "Php"
5.6.0
Search vendor "Php" for product "Php" and version "5.6.0"
beta1
Affected
Php
Search vendor "Php"
Php
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5.6.0
Search vendor "Php" for product "Php" and version "5.6.0"
beta2
Affected
Php
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Php
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5.6.0
Search vendor "Php" for product "Php" and version "5.6.0"
beta3
Affected
Php
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Php
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5.6.0
Search vendor "Php" for product "Php" and version "5.6.0"
beta4
Affected
Php
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Php
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5.6.1
Search vendor "Php" for product "Php" and version "5.6.1"
-
Affected
Php
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Php
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5.6.2
Search vendor "Php" for product "Php" and version "5.6.2"
-
Affected
Php
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Php
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5.6.3
Search vendor "Php" for product "Php" and version "5.6.3"
-
Affected
Php
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Php
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5.6.4
Search vendor "Php" for product "Php" and version "5.6.4"
-
Affected
Php
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Php
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5.6.5
Search vendor "Php" for product "Php" and version "5.6.5"
-
Affected
Php
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Php
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5.6.6
Search vendor "Php" for product "Php" and version "5.6.6"
-
Affected
Php
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Php
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5.6.7
Search vendor "Php" for product "Php" and version "5.6.7"
-
Affected
Php
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Php
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5.6.8
Search vendor "Php" for product "Php" and version "5.6.8"
-
Affected
Php
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Php
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5.6.9
Search vendor "Php" for product "Php" and version "5.6.9"
-
Affected
Php
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Php
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5.6.10
Search vendor "Php" for product "Php" and version "5.6.10"
-
Affected
Php
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Php
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5.6.11
Search vendor "Php" for product "Php" and version "5.6.11"
-
Affected
Php
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Php
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5.6.12
Search vendor "Php" for product "Php" and version "5.6.12"
-
Affected
Php
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Php
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5.6.13
Search vendor "Php" for product "Php" and version "5.6.13"
-
Affected
Php
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Php
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5.6.14
Search vendor "Php" for product "Php" and version "5.6.14"
-
Affected
Php
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Php
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5.6.15
Search vendor "Php" for product "Php" and version "5.6.15"
-
Affected
Php
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Php
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5.6.16
Search vendor "Php" for product "Php" and version "5.6.16"
-
Affected
Php
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Php
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5.6.17
Search vendor "Php" for product "Php" and version "5.6.17"
-
Affected
Php
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Php
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5.6.18
Search vendor "Php" for product "Php" and version "5.6.18"
-
Affected
Php
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Php
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5.6.19
Search vendor "Php" for product "Php" and version "5.6.19"
-
Affected
Php
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Php
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5.6.20
Search vendor "Php" for product "Php" and version "5.6.20"
-
Affected
Php
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Php
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5.6.21
Search vendor "Php" for product "Php" and version "5.6.21"
-
Affected
Php
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Php
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5.6.22
Search vendor "Php" for product "Php" and version "5.6.22"
-
Affected
Php
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Php
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5.6.23
Search vendor "Php" for product "Php" and version "5.6.23"
-
Affected
Php
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Php
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7.0.0
Search vendor "Php" for product "Php" and version "7.0.0"
-
Affected
Php
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Php
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7.0.1
Search vendor "Php" for product "Php" and version "7.0.1"
-
Affected
Php
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Php
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7.0.2
Search vendor "Php" for product "Php" and version "7.0.2"
-
Affected
Php
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Php
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7.0.3
Search vendor "Php" for product "Php" and version "7.0.3"
-
Affected
Php
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Php
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7.0.4
Search vendor "Php" for product "Php" and version "7.0.4"
-
Affected
Php
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Php
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7.0.5
Search vendor "Php" for product "Php" and version "7.0.5"
-
Affected
Php
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Php
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7.0.8
Search vendor "Php" for product "Php" and version "7.0.8"
-
Affected