cnvd - cnvd-2022-09237

cnvd-2022-09237

Vulnerability from cnvd

Title: Apache HTTP Server拒绝服务漏洞（CNVD-2022-09237）

Description:

Apache HTTP Server是美国阿帕奇（Apache）基金会的一款开源网页服务器。该服务器具有快速、可靠且可通过简单的API进行扩充的特点。

Apache HTTP Server在2.4.49版本存在拒绝服务漏洞，该漏洞源于在HTTP/2请求处理期间检测到新的空指针解引用，从而允许外部源对服务器进行拒绝服务攻击。目前没有详细的漏洞细节提供。

Severity: 中

Patch Name: Apache HTTP Server拒绝服务漏洞（CNVD-2022-09237）的补丁

Patch Description:

Apache HTTP Server是美国阿帕奇（Apache）基金会的一款开源网页服务器。该服务器具有快速、可靠且可通过简单的API进行扩充的特点。

Apache HTTP Server在2.4.49版本存在拒绝服务漏洞，该漏洞源于在HTTP/2请求处理期间检测到新的空指针解引用，从而允许外部源对服务器进行拒绝服务攻击。目前没有详细的漏洞细节提供。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description:

厂商已发布了漏洞修复程序，请及时关注更新： https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-pathtrv-LAzg68cZ

Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-41524

Impacted products

Name
Apache HTTP Server 2.4.49

Show details on source website

JSON

To clipboard

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    "cve": {
      "cveNumber": "CVE-2021-41524",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-41524"
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CVE-2021-41524 (GCVE-0-2021-41524)

Vulnerability from cvelistv5

Published

2021-10-05 08:40

Modified

2024-08-04 03:15

Severity ?

CWE

CWE-476 - NULL Pointer Dereference

Summary

While fuzzing the 2.4.49 httpd, a new null pointer dereference was detected during HTTP/2 request processing, allowing an external source to DoS the server. This requires a specially crafted request. The vulnerability was recently introduced in version 2.4.49. No exploit is known to the project.

References

▼	URL	Tags
	https://httpd.apache.org/security/vulnerabilities_24.html	x_refsource_MISC
	http://www.openwall.com/lists/oss-security/2021/10/05/1	mailing-list, x_refsource_MLIST
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DSM6UWQICBJ2TU727RENU3HBKEAFLT6T/	vendor-advisory, x_refsource_FEDORA
	https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-pathtrv-LAzg68cZ	vendor-advisory, x_refsource_CISCO
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EUVJVRJRBW5QVX4OY3NOHZDQ3B3YOTSG/	vendor-advisory, x_refsource_FEDORA
	https://www.oracle.com/security-alerts/cpujan2022.html	x_refsource_MISC
	https://security.netapp.com/advisory/ntap-20211029-0009/	x_refsource_CONFIRM
	https://security.gentoo.org/glsa/202208-20	vendor-advisory, x_refsource_GENTOO

Impacted products

	Vendor	Product	Version
	Apache Software Foundation	Apache HTTP Server	Version: 2.4.49

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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