high
7.5
CWE
476
Advisory Published
CVE Published
Advisory Published
Updated

CVE-2024-38477: Apache HTTP Server: Crash resulting in Denial of Service in mod_proxy via a malicious request

First published: Mon Jul 01 2024(Updated: )

Apache HTTP Server is vulnerable to a denial of service, caused by a NULL pointer dereference flaw in mod_proxy. By sending a specially crafted request, a remote attacker could exploit this vulnerability to cause a denial of service condition.

Credit: security@apache.org CVE-2024-39573 CVE-2024-38477 CVE-2024-38476 an anonymous researcher Ivan Fratric Google Project ZeroMickey Jin @patch1t K宝 @Pwnrin Kirin @Pwnrin 7feilee pattern-f @pattern_F_ Loadshine LabHikerell Loadshine LabHossein Lotfi @hosselot Trend Micro Zero Day InitiativeAlexandre Bedard Ronny Stiftel Wang Yu CyberservalJunsung Lee Trend Micro Zero Day InitiativeJex Amro Zhongquan Li @Guluisacat Ye Zhang @VAR10CK Baidu SecurityMateusz Krzywicki @krzywix Garrett Moon Excited Pixel LLCArsenii Kostromin (0x3c3e) Ben Roeder Toomas Römer Jaime Bertran Noah Gregory (wts.dev) Un3xploitable CW Research IncBohdan Stasiuk @Bohdan_Stasiuk CW Research IncPedro Tôrres @t0rr3sp3dr0 Mickey Jin @patch1t KandjiCsaba Fitzl @theevilbit Kandjian anonymous researcher Dawn Security Lab of JDYinyi Wu @_3ndy1 Dawn Security Lab of JDNarendra Bhati Cyber Security at Suma Soft PvtManager Cyber Security at Suma Soft PvtPune (India) Lucas Di Tomase Ryan Dowd @_rdowd Gergely Kalman @gergely_kalman Csaba Fitzl @theevilbit Michael DePlante @izobashi Trend Micro Zero Day InitiativeHalle Winkler Politepix (theoffcuts.org) Bing Shi Alibaba GroupWenchao Li Alibaba GroupXiaolong Bai Alibaba Group Indiana University BloomingtonLuyi Xing Indiana University Bloomingtondw0r! Trend Micro Zero Day InitiativeRodolphe Brunetti @eisw0lf Cristian Dinca (icmd.tech) Wojciech Regula SecuRingQ1IQ @q1iqF P1umer @p1umer Bohdan Stasiuk @Bohdan_Stasiuk

Affected SoftwareAffected VersionHow to fix
debian/apache2
2.4.62-1~deb11u1
2.4.61-1~deb11u1
2.4.62-1~deb12u1
2.4.62-1~deb12u2
2.4.62-3
macOS<15.1
15.1
Apache HTTP Server>=2.4.0<2.4.60
IBM Data ONTAP=9.0
IBM Planning Analytics Cloud<=2.1
IBM Planning Analytics Cloud<=2.0
F5 BIG-IP and BIG-IQ Centralized Management>=17.1.0<=17.1.2
17.5.0
F5 BIG-IP and BIG-IQ Centralized Management>=16.1.0<=16.1.5
F5 BIG-IP and BIG-IQ Centralized Management>=15.1.0<=15.1.10
F5 F5OS=1.7.0>=1.5.1<=1.5.2
1.8.0
F5 F5OS>=1.6.0<=1.6.2
1.8.0
F5 Traffix Systems Signaling Delivery Controller=5.2.0

Remedy

https://svn.apache.org/viewvc?view=revision&revision=1918607

Remedy

https://github.com/apache/httpd/commit/1d98d4db186e708f059336fb9342d0adb6925e85

Remedy

https://github.com/apache/httpd/commit/4d3a308014be26e5407113b4c827a1ea2882bf38

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of CVE-2024-38477?

    CVE-2024-38477 is classified as a high-severity vulnerability due to its potential to cause denial of service.

  • How do I fix CVE-2024-38477?

    To fix CVE-2024-38477, update your Apache HTTP Server to a patched version that is above 2.4.62.

  • What systems are affected by CVE-2024-38477?

    CVE-2024-38477 affects various systems running vulnerable versions of Apache HTTP Server and other products that utilize mod_proxy.

  • Can CVE-2024-38477 be exploited remotely?

    Yes, CVE-2024-38477 can be exploited remotely by sending specially crafted requests to vulnerable servers.

  • What are the consequences of CVE-2024-38477 exploitation?

    Exploitation of CVE-2024-38477 can lead to a denial of service, making affected services unavailable.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203