Description
When using Apache Tomcat versions 10.0.0-M1 to 10.0.0-M4, 9.0.0.M1 to 9.0.34, 8.5.0 to 8.5.54 and 7.0.0 to 7.0.103 if a) an attacker is able to control the contents and name of a file on the server; and b) the server is configured to use the PersistenceManager with a FileStore; and c) the PersistenceManager is configured with sessionAttributeValueClassNameFilter="null" (the default unless a SecurityManager is used) or a sufficiently lax filter to allow the attacker provided object to be deserialized; and d) the attacker knows the relative file path from the storage location used by FileStore to the file the attacker has control over; then, using a specifically crafted request, the attacker will be able to trigger remote code execution via deserialization of the file under their control. Note that all of conditions a) to d) must be true for the attack to succeed.
Published: 2020-05-20
Score: 7.0 High
EPSS: 93.3% High
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-2209-1 tomcat8 security update
Debian DLA Debian DLA DLA-2217-1 tomcat7 security update
Debian DLA Debian DLA DLA-2279-1 tomcat8 security update
Debian DLA Debian DLA DLA-2596-1 tomcat8 security update
Debian DLA Debian DLA DLA-3160-1 tomcat9 security update
Debian DSA Debian DSA DSA-5265-1 tomcat9 security update
Github GHSA Github GHSA GHSA-344f-f5vg-2jfj Potential remote code execution in Apache Tomcat
Ubuntu USN Ubuntu USN USN-4448-1 Tomcat vulnerabilities
Ubuntu USN Ubuntu USN USN-4596-1 Tomcat vulnerabilities
Ubuntu USN Ubuntu USN USN-5360-1 Tomcat vulnerabilities
Ubuntu USN Ubuntu USN USN-6908-1 Tomcat vulnerabilities
Ubuntu USN Ubuntu USN USN-6943-1 Tomcat vulnerabilities
References
Link Providers
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00057.html cve-icon cve-icon
http://mail-archives.apache.org/mod_mbox/tomcat-announce/202005.mbox/%3Ce3a0a517-bf82-ba62-0af6-24b83ea0e4e2%40apache.org%3E cve-icon
http://packetstormsecurity.com/files/157924/Apache-Tomcat-CVE-2020-9484-Proof-Of-Concept.html cve-icon cve-icon
http://seclists.org/fulldisclosure/2020/Jun/6 cve-icon cve-icon
http://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.0.0-M5 cve-icon
http://tomcat.apache.org/security-7.html#Fixed_in_Apache_Tomcat_7.0.104 cve-icon
http://tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.55 cve-icon
http://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.35 cve-icon
http://www.openwall.com/lists/oss-security/2021/03/01/2 cve-icon cve-icon
https://kc.mcafee.com/corporate/index?page=content&id=SB10332 cve-icon cve-icon
https://lists.apache.org/thread.html/r11ce01e8a4c7269b88f88212f21830edf73558997ac7744f37769b77%40%3Cusers.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r123b3ebe389f46f9d337923f393cdae4d3e9b78d982d706712f0898c%40%3Ccommits.tomee.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r26950738f4b4ca2d256597cf391d52d3450fa665c297ea5ca38f5469%40%3Cusers.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r77eae567ed829da9012cadb29af17f2df8fa23bf66faf88229857bb1%40%3Cannounce.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r7bc247fffcb1d58415215c861d2354bd653c86266230d78a93c71ae2%40%3Cdev.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r8a2ac0e476dbfc1e6440b09dcc782d444ad635d6da26f0284725a5dc%40%3Cusers.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r8dd19c514face6dd85fd4eab0271854883f40c7307926c1f7cd5400c%40%3Ccommits.tomee.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/raa4123e472175bb052fbba165d37187cea923f755e8f3f30d124cb3f%40%3Ccommits.tomee.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rb1c0fb105ce2b93b7ec6fc1b77dd208022621a91c12d1f580813cfed%40%3Cdev.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rb51ccd58b2152fc75125b2406fc93e04ca9d34e737263faa6ff0f41f%40%3Cusers.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rc1778b38e74b5b6142414d57623bd55b023a72361f422836782fca3c%40%3Cdev.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rc8473b08abdf3c16494ed817bec1717a0ee0c8080315bc27db5f21c3%40%3Ccommits.tomee.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rf59c72572b9fee674a5d5cc6afeca4ffc3918a02c354a81cc50b7119%40%3Ccommits.tomee.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rf6d5d57b114678d8898005faef31e9fd6d7c981fcc4ccfc3bc272fc9%40%3Cdev.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rf70f53af27e04869bdac18b1fc14a3ee529e59eb12292c8791a77926%40%3Cusers.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rfe62fbf9d4c314f166fe8c668e50e5d9dd882a99447f26f0367474bf%40%3Cannounce.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rfe62fbf9d4c314f166fe8c668e50e5d9dd882a99447f26f0367474bf%40%3Cannounce.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rfe62fbf9d4c314f166fe8c668e50e5d9dd882a99447f26f0367474bf%40%3Cdev.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rfe62fbf9d4c314f166fe8c668e50e5d9dd882a99447f26f0367474bf%40%3Cusers.tomcat.apache.org%3E cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2020/05/msg00020.html cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2020/05/msg00026.html cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2020/07/msg00010.html cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GIQHXENTLYUNOES4LXVNJ2NCUQQRF5VJ/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WJ7XHKWJWDNWXUJH6UB7CLIW4TWOZ26N/ cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2020-9484 cve-icon
https://security.gentoo.org/glsa/202006-21 cve-icon cve-icon
https://security.netapp.com/advisory/ntap-20200528-0005/ cve-icon cve-icon
https://usn.ubuntu.com/4448-1/ cve-icon cve-icon
https://usn.ubuntu.com/4596-1/ cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2020-9484 cve-icon
https://www.debian.org/security/2020/dsa-4727 cve-icon cve-icon
https://www.oracle.com//security-alerts/cpujul2021.html cve-icon cve-icon
https://www.oracle.com/security-alerts/cpuApr2021.html cve-icon cve-icon
https://www.oracle.com/security-alerts/cpujan2021.html cve-icon cve-icon
https://www.oracle.com/security-alerts/cpujan2022.html cve-icon cve-icon
https://www.oracle.com/security-alerts/cpujul2020.html cve-icon cve-icon
https://www.oracle.com/security-alerts/cpujul2022.html cve-icon cve-icon
https://www.oracle.com/security-alerts/cpuoct2020.html cve-icon cve-icon
https://www.oracle.com/security-alerts/cpuoct2021.html cve-icon cve-icon
History

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cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2024-08-04T10:26:16.293Z

Reserved: 2020-03-01T00:00:00.000Z

Link: CVE-2020-9484

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-05-20T19:15:09.257

Modified: 2024-11-21T05:40:44.420

Link: CVE-2020-9484

cve-icon Redhat

Severity : Important

Publid Date: 2020-05-20T00:00:00Z

Links: CVE-2020-9484 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses