// For flags

CVE-2022-31629

$_COOKIE names string replacement (. -> _): cookie integrity vulnerabilities

Severity Score

6.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

In PHP versions before 7.4.31, 8.0.24 and 8.1.11, the vulnerability enables network and same-site attackers to set a standard insecure cookie in the victim's browser which is treated as a `__Host-` or `__Secure-` cookie by PHP applications.

En PHP versiones anteriores a 7.4.31, 8.0.24 y 8.1.11, la vulnerabilidad permite a atacantes de la red y del mismo sitio establecer una cookie no segura estándar en el navegador de la víctima que es tratada como una cookie "__Host-" o "__Secure-" por las aplicaciones PHP

A vulnerability was found in PHP due to the way PHP handles HTTP variable names. It interferes with HTTP variable names that clash with ones that have a specific semantic meaning. This vulnerability allows network and same-site attackers to set a standard insecure cookie in the victim's browser, which is treated as a `__Host-` or `__Secure-` cookie by PHP applications, posing a threat to data integrity.

It was discovered that PHP incorrectly handled certain gzip files. An attacker could possibly use this issue to cause a denial of service. It was discovered that PHP incorrectly handled certain cookies. An attacker could possibly use this issue to compromise the data It was discovered that PHP incorrectly handled certain image fonts. An attacker could possibly use this issue to expose sensitive information. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.10, and Ubuntu 22.04 LTS.

*Credits: reported by squarcina at gmail dot com
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
Complete
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2022-05-25 CVE Reserved
  • 2022-09-28 CVE Published
  • 2022-10-08 First Exploit
  • 2024-10-29 CVE Updated
  • 2025-04-01 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-20: Improper Input Validation
  • CWE-1284: Improper Validation of Specified Quantity in Input
CAPEC
References (14)
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"
< 7.4.31
Search vendor "Php" for product "Php" and version " < 7.4.31"
-
Affected
Php
Search vendor "Php"
Php
Search vendor "Php" for product "Php"
>= 8.0.0 < 8.0.24
Search vendor "Php" for product "Php" and version " >= 8.0.0 < 8.0.24"
-
Affected
Php
Search vendor "Php"
Php
Search vendor "Php" for product "Php"
>= 8.1.0 < 8.1.11
Search vendor "Php" for product "Php" and version " >= 8.1.0 < 8.1.11"
-
Affected
Fedoraproject
Search vendor "Fedoraproject"
Fedora
Search vendor "Fedoraproject" for product "Fedora"
35
Search vendor "Fedoraproject" for product "Fedora" and version "35"
-
Affected
Fedoraproject
Search vendor "Fedoraproject"
Fedora
Search vendor "Fedoraproject" for product "Fedora"
36
Search vendor "Fedoraproject" for product "Fedora" and version "36"
-
Affected
Fedoraproject
Search vendor "Fedoraproject"
Fedora
Search vendor "Fedoraproject" for product "Fedora"
37
Search vendor "Fedoraproject" for product "Fedora" and version "37"
-
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
Debian
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Debian Linux
Search vendor "Debian" for product "Debian Linux"
11.0
Search vendor "Debian" for product "Debian Linux" and version "11.0"
-
Affected