cnvd - cnvd-2021-29467

cnvd-2021-29467

Vulnerability from cnvd

Title: Apache CXF资源管理错误漏洞

Description:

Apache CXF是美国阿帕奇（Apache）基金会的一个开源的Web服务框架。该框架支持多种Web服务标准、多种前端编程API等。

Apache CXF存在安全漏洞，攻击者可利用该漏洞DDos攻击。

Severity: 中

Patch Name: Apache CXF资源管理错误漏洞的补丁

Patch Description:

Apache CXF是美国阿帕奇（Apache）基金会的一个开源的Web服务框架。该框架支持多种Web服务标准、多种前端编程API等。

Apache CXF存在安全漏洞，攻击者可利用该漏洞DDos攻击。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:

目前厂商已发布升级补丁以修复漏洞，补丁获取链接：https://lists.apache.org/thread.html/r6445001cc5f9a2bb1e6316993753306e054bdd1d702656b7cbe59045@%3Cannounce.apache.org%3E

Reference: http://www.openwall.com/lists/oss-security/2021/04/02/2

Impacted products

Name
['Apache Apache CXF <3.4.3', 'Apache Apache CXF <3.3.10']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-22696",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-22696"
    }
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}

CVE-2021-22696 (GCVE-0-2021-22696)

Vulnerability from cvelistv5

Published

2021-04-02 10:05

Modified

2025-02-13 16:27

Severity ?

CWE

CWE-918 - Server-Side Request Forgery (SSRF)
CWE-400 - Uncontrolled Resource Consumption

Summary

CXF supports (via JwtRequestCodeFilter) passing OAuth 2 parameters via a JWT token as opposed to query parameters (see: The OAuth 2.0 Authorization Framework: JWT Secured Authorization Request (JAR)). Instead of sending a JWT token as a "request" parameter, the spec also supports specifying a URI from which to retrieve a JWT token from via the "request_uri" parameter. CXF was not validating the "request_uri" parameter (apart from ensuring it uses "https) and was making a REST request to the parameter in the request to retrieve a token. This means that CXF was vulnerable to DDos attacks on the authorization server, as specified in section 10.4.1 of the spec. This issue affects Apache CXF versions prior to 3.4.3; Apache CXF versions prior to 3.3.10.

References

▼	URL	Tags
	https://cxf.apache.org/security-advisories.data/CVE-2021-22696.txt.asc	x_refsource_MISC
	https://lists.apache.org/thread.html/r8651c06212c56294a1c0ea61a5ad7790c06502209c03f05c0c7c9914%40%3Cdev.cxf.apache.org%3E	mailing-list, x_refsource_MLIST
	http://www.openwall.com/lists/oss-security/2021/04/02/2	mailing-list, x_refsource_MLIST
	https://lists.apache.org/thread.html/r8651c06212c56294a1c0ea61a5ad7790c06502209c03f05c0c7c9914%40%3Cusers.cxf.apache.org%3E	mailing-list, x_refsource_MLIST
	https://lists.apache.org/thread.html/rec7160382badd3ef4ad017a22f64a266c7188b9ba71394f0d321e2d4%40%3Ccommits.cxf.apache.org%3E	mailing-list, x_refsource_MLIST
	https://lists.apache.org/thread.html/r6445001cc5f9a2bb1e6316993753306e054bdd1d702656b7cbe59045%40%3Cannounce.apache.org%3E	mailing-list, x_refsource_MLIST
	https://lists.apache.org/thread.html/rfb87e0bf3995e7d560afeed750fac9329ff5f1ad49da365129b7f89e%40%3Ccommits.cxf.apache.org%3E	mailing-list, x_refsource_MLIST
	https://www.oracle.com/security-alerts/cpuoct2021.html	x_refsource_MISC
	https://www.oracle.com/security-alerts/cpuapr2022.html	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	Apache Software Foundation	Apache CXF	Version: unspecified < 3.4.3 Version: unspecified < 3.3.10

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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