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CVE     ID

CVE-2021-44832

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2021-12-28

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l  CVE-2021-4104

l  CVE-2021-42550

l  CVE-2021-44228

l  CVE-2021-45046

l  CVE-2021-45105

l  CVE-2021-44832

 

Ó°ÏìÁìÓò

CVE-2021-44832£º£º

Apache Log4j2 °æ±¾2.0-alpha7- 2.17.0µÄËùÓа汾£¨²»Ô̺¬°²È«ÐÞ¸´°æ±¾ 2.3.2 ºÍ 2.12.4£©

×¢£º£ºLog4j 1.x ²»ÊÜCVE-2021-44832·ì϶ӰÏì¡£¡£

 

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Ŀǰ´Ë·ì϶ÒѾ­ÐÞ¸´£¬½¨ÒéÊÜÓ°ÏìÓû§ÊµÊ±Éý¼¶µ½ Log4j 2.3.2£¨ºÏÓÃÓÚ Java 6£©¡¢2.12.4£¨ºÏÓÃÓÚ Java 7£©»ò 2.17.1£¨ºÏÓÃÓÚ Java 8 ¼°¸ü¸ß°æ±¾£©¡£¡£

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https://logging.apache.org/log4j/2.x/download.html

×¢£º£ºÖ»ÓÐ log4j-core JAR ÎļþÊÜ´Ë·ì϶ӰÏì¡£¡£½öʹÓà log4j-api JAR Îļþ¶ø²»Ê¹Óà log4j-core JAR ÎļþµÄÀûÓ÷¨Ê½²»ÊÜ´Ë·ì϶µÄÓ°Ïì¡£¡£Apache Log4j ÊÇΨһÊÜ´Ë·ì϶ӰÏìµÄÈÕÖ¾·þÎñ×ÓÏîÄ¿¡£¡£

´Ó°æ±¾ 2.17.1£¨ÒÔ¼° Java 7 ºÍ Java 6 µÄ 2.12.4 ºÍ 2.3.2£©ÆðÍ·£¬JDBC Appender ½«Ê¹Óà JndiManager ²¢ÒªÇó log4j2.enableJndiJdbc ϵͳÊôÐÔÔ̺¬ true ÖµÒÔÆôÓà JNDI¡£¡£

ÆôÓà JNDI µÄÊôÐÔÒÑ´Ó¡°log4j2.enableJndi¡±Öض¨ÃûΪÈý¸öµ¥¶ÀµÄÊôÐÔ£º£ºlog4j2.enableJndiLookup¡¢log4j2.enableJndiJms ºÍ log4j2.enableJndiContextSelector¡£¡£

JNDI Ö°ÄÜÒÑÔÚÒÔϰ汾Öеõ½Ç¿»¯£º£º2.3.1¡¢2.12.2¡¢2.12.3 »ò 2.17.0£º£º´ÓÕâЩ°æ±¾ÆðÍ·£¬ÒÑɾ³ý¶Ô LDAP ºÍ̸µÄÖ§³Ö£¬²¢ÇÒ JNDI ÏνӽöÖ§³Ö JAVA ºÍ̸¡£¡£

 

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https://logging.apache.org/log4j/2.x/

https://github.com/apache/logging-log4j2

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44832

 

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