# CVE-2023-3247: Missing error check and insufficient random bytes in HTTP Digest authentication for SOAP > A flaw in PHP's SOAP HTTP Digest authentication allows memory disclosure and weak nonce generation, enabling potential session hijacking or data leakage. - **Severity:** Low 2.6 (`CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N`) - **Exploited in the wild:** Not known - **Login needed:** Any signed-in user - **Attackable:** Over the internet - **Victim action needed:** A user has to click or open something - **Fix available:** Yes - **Published:** 22 Jul 2023 - **Updated:** 15 Oct 2024 - **Also known as:** AZL-27435, BIT-libphp-2023-3247, BIT-php-2023-3247, BIT-php-min-2023-3247, CLSA-2023-1699907419, CLSA-2023-1699907901, DEBIAN-CVE-2023-3247, DLA-3458-1, DSA-5424-1, DSA-5425-1, ECHO-fcbb-aa77-22a2, GHSA-76gg-c692-v2mw, MGASA-2023-0234, SUSE-SU-2023:2610-1, SUSE-SU-2023:2828-1, SUSE-SU-2023:2848-1, SUSE-SU-2023:2980-1, UBUNTU-CVE-2023-3247, USN-6199-1, USN-6199-2 ## What is CVE-2023-3247? CVE-2023-3247 is a low-severity vulnerability in Php Php, published on 22 Jul 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link. ### Official description In PHP versions 8.0.* before 8.0.29, 8.1.* before 8.1.20, 8.2.* before 8.2.7 when using SOAP HTTP Digest Authentication, random value generator was not checked for failure, and was using narrower range of values than it should have. In case of random generator failure, it could lead to a disclosure of 31 bits of uninitialized memory from the client to the server, and it also made easier to a malicious server to guess the client's nonce. Weakness: CWE-330 (Use of Insufficiently Random Values), CWE-252 (Unchecked Return Value) ## Which versions are affected by CVE-2023-3247? 3 open source packages ship an affected version, including libphp, php and php-min. It affects 1 product. | Package | Ecosystem | Affected | Fixed in | | --- | --- | --- | --- | | `libphp` | Bitnami | From 8.0.0 | 8.0.29, 8.1.20, 8.2.7 | | `php` | Bitnami | From 8.0.0 | 8.0.29, 8.1.20, 8.2.7 | | `php-min` | Bitnami | From 8.0.0 | 8.0.29, 8.1.20, 8.2.7 | | `apache2-mod_php7` | SUSE:Linux Enterprise Module for Legacy 15 SP4 | All versions | 7.4.33-150400.4.25.1 | | `php7` | SUSE:Linux Enterprise Module for Legacy 15 SP4 | All versions | 7.4.33-150400.4.25.1 | | `php7-fastcgi` | SUSE:Linux Enterprise Module for Legacy 15 SP4 | All versions | 7.4.33-150400.4.25.1 | | `php7-fpm` | SUSE:Linux Enterprise Module for Legacy 15 SP4 | All versions | 7.4.33-150400.4.25.1 | | `apache2-mod_php7` | SUSE:Linux Enterprise Module for Legacy 15 SP5 | All versions | 7.4.33-150400.4.25.1 | | `php7` | SUSE:Linux Enterprise Module for Legacy 15 SP5 | All versions | 7.4.33-150400.4.25.1 | | `php7-fastcgi` | SUSE:Linux Enterprise Module for Legacy 15 SP5 | All versions | 7.4.33-150400.4.25.1 | | `php7-fpm` | SUSE:Linux Enterprise Module for Legacy 15 SP5 | All versions | 7.4.33-150400.4.25.1 | | `php7-embed` | SUSE:Linux Enterprise Module for Package Hub 15 SP4 | All versions | 7.4.33-150400.4.25.1 | | `php7-embed` | SUSE:Linux Enterprise Module for Package Hub 15 SP5 | All versions | 7.4.33-150400.4.25.1 | | `php74` | SUSE:Linux Enterprise Module for Web and Scripting 12 | All versions | 7.4.33-1.59.1 | | `apache2-mod_php8` | SUSE:Linux Enterprise Module for Web and Scripting 15 SP4 | All versions | 8.0.29-150400.4.34.1 | | `php8` | SUSE:Linux Enterprise Module for Web and Scripting 15 SP4 | All versions | 8.0.29-150400.4.34.1 | | `php8-embed` | SUSE:Linux Enterprise Module for Web and Scripting 15 SP4 | All versions | 8.0.29-150400.4.34.1 | | `php8-fastcgi` | SUSE:Linux Enterprise Module for Web and Scripting 15 SP4 | All versions | 8.0.29-150400.4.34.1 | | `php8-fpm` | SUSE:Linux Enterprise Module for Web and Scripting 15 SP4 | All versions | 8.0.29-150400.4.34.1 | | `php8-test` | SUSE:Linux Enterprise Module for Web and Scripting 15 SP4 | All versions | 8.0.29-150400.4.34.1 | | `apache2-mod_php8` | SUSE:Linux Enterprise Module for Web and Scripting 15 SP5 | All versions | 8.0.29-150400.4.34.1 | | `php8` | SUSE:Linux Enterprise Module for Web and Scripting 15 SP5 | All versions | 8.0.29-150400.4.34.1 | | `php8-embed` | SUSE:Linux Enterprise Module for Web and Scripting 15 SP5 | All versions | 8.0.29-150400.4.34.1 | | `php8-fastcgi` | SUSE:Linux Enterprise Module for Web and Scripting 15 SP5 | All versions | 8.0.29-150400.4.34.1 | | `php8-fpm` | SUSE:Linux Enterprise Module for Web and Scripting 15 SP5 | All versions | 8.0.29-150400.4.34.1 | | `php8-test` | SUSE:Linux Enterprise Module for Web and Scripting 15 SP5 | All versions | 8.0.29-150400.4.34.1 | | `php74` | SUSE:Linux Enterprise Software Development Kit 12 SP5 | All versions | 7.4.33-1.59.1 | | `php7` | SUSE:Manager Server 4.2 | All versions | 7.4.33-150200.3.57.1 | | `apache2-mod_php7` | openSUSE:Leap 15.4 | All versions | 7.4.33-150400.4.25.1 | | `apache2-mod_php8` | openSUSE:Leap 15.4 | All versions | 8.0.29-150400.4.34.1 | | `php7` | openSUSE:Leap 15.4 | All versions | 7.4.33-150200.3.57.1 | | `php7` | openSUSE:Leap 15.4 | All versions | 7.4.33-150400.4.25.1 | | `php7-embed` | openSUSE:Leap 15.4 | All versions | 7.4.33-150400.4.25.1 | | `php7-fastcgi` | openSUSE:Leap 15.4 | All versions | 7.4.33-150400.4.25.1 | | `php7-fpm` | openSUSE:Leap 15.4 | All versions | 7.4.33-150400.4.25.1 | | `php7-test` | openSUSE:Leap 15.4 | All versions | 7.4.33-150400.4.25.1 | | `php8` | openSUSE:Leap 15.4 | All versions | 8.0.29-150400.4.34.1 | | `php8-embed` | openSUSE:Leap 15.4 | All versions | 8.0.29-150400.4.34.1 | | `php8-fastcgi` | openSUSE:Leap 15.4 | All versions | 8.0.29-150400.4.34.1 | | `php8-fpm` | openSUSE:Leap 15.4 | All versions | 8.0.29-150400.4.34.1 | Products: Php Php. ## How do I fix CVE-2023-3247? Upgrade libphp to a fixed version for your release line: 8.0.29, 8.1.20 or 8.2.7. ## Is CVE-2023-3247 being exploited? There is no known exploitation of CVE-2023-3247 in the wild and no public exploit code. ## Other vulnerabilities in Php Php - [CVE-2012-2688](https://insights.sbomify.com/CVE-2012-2688/): Integer overflow in n/a (critical 10.0) - [CVE-2012-2376](https://insights.sbomify.com/CVE-2012-2376/): Memory corruption in n/a (critical 10.0) - [CVE-2011-3268](https://insights.sbomify.com/CVE-2011-3268/): Memory corruption in n/a (critical 10.0) - [CVE-2009-4143](https://insights.sbomify.com/CVE-2009-4143/): Other in n/a (critical 10.0) - [CVE-2008-5557](https://insights.sbomify.com/CVE-2008-5557/): Memory corruption in n/a (critical 10.0) ## Fix prompt for AI coding agents ```text Check this codebase for CVE-2023-3247 and fix it if it is affected. What it is: CVE-2023-3247 is a low-severity vulnerability in Php Php, published on 22 Jul 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link. Exploitation: There is no known exploitation of CVE-2023-3247 in the wild and no public exploit code. Affected packages and fixed versions: - libphp (Bitnami): affected from 8.0.0; fixed in 8.0.29, 8.1.20, 8.2.7 - php (Bitnami): affected from 8.0.0; fixed in 8.0.29, 8.1.20, 8.2.7 - php-min (Bitnami): affected from 8.0.0; fixed in 8.0.29, 8.1.20, 8.2.7 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-2023-3247/ (Markdown: https://insights.sbomify.com/CVE-2023-3247/index.md) ``` ## Sources - CVE record: https://www.cve.org/CVERecord?id=CVE-2023-3247 - NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-3247 - OSV: https://osv.dev/vulnerability/CVE-2023-3247 --- From sbomify Insights: https://insights.sbomify.com/CVE-2023-3247/ Summaries are generated and may contain mistakes; the official description above is the record.