PHP up to 8.3.4 mb_encode_mimeheader infinite loop

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in PHP up to 8.3.4. This affects the function mb_encode_mimeheader. The manipulation results in infinite loop. This vulnerability was named CVE-2024-2757. The attack may be performed from remote. In addition, an exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in PHP up to 8.3.4. Affected is the function mb_encode_mimeheader. The manipulation with an unknown input leads to a infinite loop vulnerability. CWE is classifying the issue as CWE-835. The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. This is going to have an impact on availability.

The advisory is available at github.com. This vulnerability is traded as CVE-2024-2757. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

The exploit is shared for download at github.com. It is declared as proof-of-concept.

Upgrading to version 8.3.6 eliminates this vulnerability.

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Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.1

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (PHP Group): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Infinite loop
CWE: CWE-835 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PHP 8.3.6

Timelineinfo

03/21/2024 🔍
04/13/2024 +22 days 🔍
04/13/2024 +0 days 🔍
06/19/2025 +432 days 🔍

Sourcesinfo

Product: php.org

Advisory: GHSA-fjp9-9hwx-59fq
Status: Confirmed

CVE: CVE-2024-2757 (🔍)
GCVE (CVE): GCVE-0-2024-2757
GCVE (VulDB): GCVE-100-260598
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/13/2024 05:31
Updated: 06/19/2025 02:06
Changes: 04/13/2024 05:31 (55), 05/22/2024 13:19 (3), 05/22/2024 13:25 (12), 06/19/2025 02:06 (2)
Complete: 🔍
Cache ID: 216::103

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