// For flags

CVE-2019-11040

Heap buffer overflow in EXIF extension

Severity Score

9.1
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

When PHP EXIF extension is parsing EXIF information from an image, e.g. via exif_read_data() function, in PHP versions 7.1.x below 7.1.30, 7.2.x below 7.2.19 and 7.3.x below 7.3.6 it is possible to supply it with data what will cause it to read past the allocated buffer. This may lead to information disclosure or crash.

Cuando la extensión PHP EXIF ??está analizando la información EXIF ??de una imagen, por ejemplo. A través de la función exif_read_data (), en las versiones de PHP 7.1.x a continuación de 7.1.30, 7.2.x a continuación de 7.2.19 y 7.3.x a continuación de 7.3.6, es posible suministrar datos que harán que lea más allá del búfer asignado . Esto puede llevar a la divulgación de información o colisión.

It was discovered that PHP incorrectly handled certain exif tags in images. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly obtain sensitive information. It was discovered that PHP incorrectly decoding certain MIME headers. A remote attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service. Various other issues were also addressed.

*Credits: By orestiskourides at gmail dot com
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
Low
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
Low
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2019-04-09 CVE Reserved
  • 2019-06-05 CVE Published
  • 2024-09-16 CVE Updated
  • 2024-09-16 First Exploit
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-125: Out-of-bounds Read
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
Search vendor "Php" for product "Php"
 >= 7.1.0 < 7.1.30
Search vendor "Php" for product "Php" and version " >= 7.1.0 < 7.1.30"
-
Affected
Php
Search vendor "Php"
 Php
Search vendor "Php" for product "Php"
 >= 7.2.0 < 7.2.19
Search vendor "Php" for product "Php" and version " >= 7.2.0 < 7.2.19"
-
Affected
Php
Search vendor "Php"
 Php
Search vendor "Php" for product "Php"
 >= 7.3.0 < 7.3.6
Search vendor "Php" for product "Php" and version " >= 7.3.0 < 7.3.6"
-
Affected
Redhat
Search vendor "Redhat"
 Software Collections
Search vendor "Redhat" for product "Software Collections"
 1.0
Search vendor "Redhat" for product "Software Collections" and version "1.0"
-
Affected
Opensuse
Search vendor "Opensuse"
 Leap
Search vendor "Opensuse" for product "Leap"
 15.0
Search vendor "Opensuse" for product "Leap" and version "15.0"
-
Affected
Opensuse
Search vendor "Opensuse"
 Leap
Search vendor "Opensuse" for product "Leap"
 15.1
Search vendor "Opensuse" for product "Leap" and version "15.1"
-
Affected
Debian
Search vendor "Debian"
 Debian Linux
Search vendor "Debian" for product "Debian Linux"
 9.0
Search vendor "Debian" for product "Debian Linux" and version "9.0"
-
Affected
Debian
Search vendor "Debian"
 Debian Linux
Search vendor "Debian" for product "Debian Linux"
 10.0
Search vendor "Debian" for product "Debian Linux" and version "10.0"
-
Affected