CVE-2021-35940: Regression of CVE-2017-12613

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I. Basic Information for CVE-2021-35940

Vulnerability Information

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Vulnerability Title

Regression of CVE-2017-12613

Source: NVD (National Vulnerability Database)

Vulnerability Description

An out-of-bounds array read in the apr_time_exp*() functions was fixed in the Apache Portable Runtime 1.6.3 release (CVE-2017-12613). The fix for this issue was not carried forward to the APR 1.7.x branch, and hence version 1.7.0 regressed compared to 1.6.3 and is vulnerable to the same issue.

Source: NVD (National Vulnerability Database)

CVSS Information

N/A

Source: NVD (National Vulnerability Database)

Vulnerability Type

N/A

Source: NVD (National Vulnerability Database)

Vulnerability Title

Apache Portable Runtime 缓冲区错误漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

Apache Portable Runtime（APR,Apache可移植运行库）是美国阿帕奇（Apache）基金会的一个为上层应用程序提供可跨越多个操作系统平台使用的底层支持接口库。 Apache Portable Runtime 1.7.0版本存在安全漏洞，该漏洞源于软件中apr_time_exp*()函数中超出边界的数组读取问题。

Source: CNNVD (China National Vulnerability Database)

CVSS Information

N/A

Source: CNNVD (China National Vulnerability Database)

Vulnerability Type

N/A

Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
Apache Software Foundation	Apache Portable Runtime (APR)	Apache Portable Runtime 1.7.0	-

II. Public POCs for CVE-2021-35940

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III. Intelligence Information for CVE-2021-35940

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http://mail-archives.apache.org/mod_mbox/www-announce/201710.mbox/%3CCACsi251B8UaLvM-rrH9fv57-zWi0zhyF3275_jPg1a9VEVVoxw%40mail.gmail.com%3Ex_refsource_MISC
https://lists.apache.org/thread.html/ra2868b53339a6af65577146ad87016368c138388b09bff9d2860f50e%40%3Cdev.apr.apache.org%3Ex_refsource_MISC
https://www.oracle.com/security-alerts/cpujul2022.htmlx_refsource_MISC
https://dist.apache.org/repos/dist/release/apr/patches/apr-1.7.0-CVE-2021-35940.patchx_refsource_MISC
http://svn.apache.org/viewvc?view=revision&revision=1891198x_refsource_MISC
https://lists.apache.org/thread.html/r7bb4a6ed88fc48152174e664aae30ea9a8b058eb5b44cf08cb9beb4b%40%3Cdev.apr.apache.org%3Emailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r7bb4a6ed88fc48152174e664aae30ea9a8b058eb5b44cf08cb9beb4b%40%3Cdev.httpd.apache.org%3Emailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r317c398ee5736e627f7887b06607e5c58b45a696d352ba8c14615f55%40%3Cdev.apr.apache.org%3Emailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r72a069753b9363c29732e59ad8f0d22a633fb6a699980407511ac961%40%3Cdev.apr.apache.org%3Emailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rb1f3c85f50fbd924a0051675118d1609e57957a02ece7facb723155b%40%3Cannounce.apache.org%3Emailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/ra38094406cc38a05218ebd1158187feda021b0c3a1df400bbf296af8%40%3Cdev.apr.apache.org%3Emailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2021/08/23/1mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r72479f4dcffaa8a4732d5a0e87fecc4bace4932e28fc26f7d400e2b3%40%3Cdev.tomcat.apache.org%3Emailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r54c755c74b9e3846cfd84039b1967d37d2870750a02d7c603983f6ed%40%3Cdev.tomcat.apache.org%3Emailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r1c788464a25fbc046a72aff451bc8186386315d92a2dd0349903fa4f%40%3Cdev.tomcat.apache.org%3Emailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rafe54755850e93de287c36540972457b2dd86332106aa7817c7c27fb%40%3Cdev.tomcat.apache.org%3Emailing-listx_refsource_MLIST
https://nvd.nist.gov/vuln/detail/CVE-2021-35940

IV. Related Vulnerabilities

Same product: Apache Portable Runtime (APR)

Same vendor: Apache Software Foundation

V. Comments for CVE-2021-35940

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I. Basic Information for CVE-2021-35940

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2021-35940

III. Intelligence Information for CVE-2021-35940

IV. Related Vulnerabilities

V. Comments for CVE-2021-35940

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