CVE-2006-4812 Integer overflow in n/a
Critical 10.0
Published
Updated
Check this codebase for CVE-2006-4812 and fix it if it is affected.
What it is: CVE-2006-4812 is a critical vulnerability in Php Php, published on 9 Oct 2006. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2006-4812 exists.
Affected product: Php Php. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2006-4812/ (Markdown: https://insights.sbomify.com/CVE-2006-4812/index.md)
Remote attackers can execute arbitrary code via integer overflow in PHP's unserialize function, affecting web applications using vulnerable PHP versions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2006-4812?
CVE-2006-4812 is a critical vulnerability in Php Php, published on 9 Oct 2006. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Integer overflow in PHP 5 up to 5.1.6 and 4 before 4.3.0 allows remote attackers to execute arbitrary code via an argument to the unserialize PHP function with a large value for the number of array elements, which triggers the overflow in the Zend Engine ecalloc function (Zend/zend_alloc.c).
Weakness: CWE-94
Which versions are affected by CVE-2006-4812?
It affects 1 product.
Linux distribution packages (32)
php Red Hat:enterprise_linux:2.1::as | All versions | 0:4.1.2-2.12 |
php-devel Red Hat:enterprise_linux:2.1::as | All versions | 0:4.1.2-2.12 |
php-imap Red Hat:enterprise_linux:2.1::as | All versions | 0:4.1.2-2.12 |
php-ldap Red Hat:enterprise_linux:2.1::as | All versions | 0:4.1.2-2.12 |
php-manual Red Hat:enterprise_linux:2.1::as | All versions | 0:4.1.2-2.12 |
php-mysql Red Hat:enterprise_linux:2.1::as | All versions | 0:4.1.2-2.12 |
php-odbc Red Hat:enterprise_linux:2.1::as | All versions | 0:4.1.2-2.12 |
php-pgsql Red Hat:enterprise_linux:2.1::as | All versions | 0:4.1.2-2.12 |
php Red Hat:enterprise_linux:2.1::aw | All versions | 0:4.1.2-2.12 |
php-devel Red Hat:enterprise_linux:2.1::aw | All versions | 0:4.1.2-2.12 |
php-imap Red Hat:enterprise_linux:2.1::aw | All versions | 0:4.1.2-2.12 |
php-ldap Red Hat:enterprise_linux:2.1::aw | All versions | 0:4.1.2-2.12 |
php-manual Red Hat:enterprise_linux:2.1::aw | All versions | 0:4.1.2-2.12 |
php-mysql Red Hat:enterprise_linux:2.1::aw | All versions | 0:4.1.2-2.12 |
php-odbc Red Hat:enterprise_linux:2.1::aw | All versions | 0:4.1.2-2.12 |
php-pgsql Red Hat:enterprise_linux:2.1::aw | All versions | 0:4.1.2-2.12 |
php Red Hat:enterprise_linux:2.1::es | All versions | 0:4.1.2-2.12 |
php-devel Red Hat:enterprise_linux:2.1::es | All versions | 0:4.1.2-2.12 |
php-imap Red Hat:enterprise_linux:2.1::es | All versions | 0:4.1.2-2.12 |
php-ldap Red Hat:enterprise_linux:2.1::es | All versions | 0:4.1.2-2.12 |
php-manual Red Hat:enterprise_linux:2.1::es | All versions | 0:4.1.2-2.12 |
php-mysql Red Hat:enterprise_linux:2.1::es | All versions | 0:4.1.2-2.12 |
php-odbc Red Hat:enterprise_linux:2.1::es | All versions | 0:4.1.2-2.12 |
php-pgsql Red Hat:enterprise_linux:2.1::es | All versions | 0:4.1.2-2.12 |
php Red Hat:enterprise_linux:2.1::ws | All versions | 0:4.1.2-2.12 |
php-devel Red Hat:enterprise_linux:2.1::ws | All versions | 0:4.1.2-2.12 |
php-imap Red Hat:enterprise_linux:2.1::ws | All versions | 0:4.1.2-2.12 |
php-ldap Red Hat:enterprise_linux:2.1::ws | All versions | 0:4.1.2-2.12 |
php-manual Red Hat:enterprise_linux:2.1::ws | All versions | 0:4.1.2-2.12 |
php-mysql Red Hat:enterprise_linux:2.1::ws | All versions | 0:4.1.2-2.12 |
php-odbc Red Hat:enterprise_linux:2.1::ws | All versions | 0:4.1.2-2.12 |
php-pgsql Red Hat:enterprise_linux:2.1::ws | All versions | 0:4.1.2-2.12 |
Products include Php Php.
How do I fix CVE-2006-4812?
Upgrade to a fixed version.
Is CVE-2006-4812 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2006-4812 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Php Php
Sources
Also known as CVE-2006-4170, GHSA-2g5f-835h-7qjr, RHSA-2006:0708.