CVE-2023-34981

CWE-732 — Incorrect Permission AssignmentCWE-200 — Information Exposure11 documents8 sources
Severity
7.5HIGH
EPSS
0.3%
top 50.84%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Apache Software Foundation Apache TomcatApache Tomcat
Timeline
PublishedJun 21
Latest updateApr 15

Description

A regression in the fix for bug 66512 in Apache Tomcat 11.0.0-M5, 10.1.8, 9.0.74 and 8.5.88 meant that, if a response did not include any HTTP headers no AJP SEND_HEADERS messare woudl be sent for the response which in turn meant that at least one AJP proxy (mod_proxy_ajp) would use the response headers from the previous request leading to an information leak.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NExploitability: 3.9 | Impact: 3.6

Affected Packages5 packages

▶Mavenorg.apache.tomcat:tomcat-coyote8.5.88 — 8.5.89
▶Mavenorg.apache.tomcat.embed:tomcat-embed-core11.0.0-M5 — 11.0.0-M6+2
▶NVDapache/tomcat4 versions+3
▶Debiantomcat10< 10.1.10-1+1

🔴Vulnerability Details

4
CVEList
Apache Tomcat: AJP response header mix-up↗2023-06-21
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GHSA
Apache Tomcat vulnerable to information leak↗2023-06-21
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OSV
CVE-2023-34981: A regression in the fix for bug 66512 in Apache Tomcat 11↗2023-06-21
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OSV
Apache Tomcat vulnerable to information leak↗2023-06-21
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📋Vendor Advisories

6
Oracle
Oracle Oracle Retail Applications Risk Matrix: Xenvironment (Apache Tomcat) — CVE-2023-34981↗2024-04-15
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Oracle
Oracle Oracle Communications Applications Risk Matrix: Installation (Apache Tomcat) — CVE-2023-34981↗2024-01-15
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Oracle
Oracle Oracle Communications Applications Risk Matrix: Core (Apache Tomcat) — CVE-2023-34981↗2023-10-15
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Red Hat
tomcat: response headers from the previous request leading to an information leak↗2023-06-21
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Debian
CVE-2023-34981: tomcat10 - A regression in the fix for bug 66512 in Apache Tomcat 11.0.0-M5, 10.1.8, 9.0.74...↗2023
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CVE-2023-34981 (HIGH CVSS 7.5) | A regression in the fix for bug 665 | cvebase.io