csaf_redhat - rhsa-2021

rhsa-2021_1030

Vulnerability from csaf_redhat

Published

2021-03-30 09:46

Modified

2024-11-15 06:24

Summary

Red Hat Security Advisory: tomcat security update

Notes

Topic

An update for tomcat is now available for Red Hat Enterprise Linux 7.7 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Details

Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies. Security Fix(es): * tomcat: Session fixation when using FORM authentication (CVE-2019-17563) * tomcat: Mishandling of Transfer-Encoding header allows for HTTP request smuggling (CVE-2020-1935) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

JSON

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          "text": "It was found that tomcat\u0027s FORM authentication allowed a very small period in which an attacker could possibly force a victim to use a valid user session, or Session Fixation. While practical exploit of this issue is deemed highly improbable, an abundance of caution merits it be considered a flaw. The highest threat from this vulnerability is to system availability, but also threatens data confidentiality and integrity.",
          "title": "Vulnerability description"
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          "text": "tomcat: Session fixation when using FORM authentication",
          "title": "Vulnerability summary"
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          "category": "other",
          "text": "All affected Red Hat products providing the affected component code should update their setups per the product fixes given.\n\nThe following Red Hat products are out of support scope for Low Impact flaws, and as such will not issue security fixes:\nRed Hat Enterprise Linux 5\nRed Hat Enterprise Linux 6\nRed Hat JBoss BPM Suite 6\nRed Hat JBoss BRMS 6",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
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      "title": "tomcat: Session fixation when using FORM authentication"
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          "text": "A flaw was found in Apache Tomcat. The HTTP header parsing code used an approach to end-of-line (EOL) parsing that allowed some invalid HTTP headers to be parsed as valid. This led to the possibility of HTTP Request Smuggling if Tomcat was located behind a reverse proxy that incorrectly handled the invalid Transfer-Encoding header in a particular manner. The highest threat with this vulnerability is system availability.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "tomcat: Mishandling of Transfer-Encoding header allows for HTTP request smuggling",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "OpenDaylight in Red Hat OpenStack 10 \u0026 13 was in technical preview status, because of this no fixes will be released for it.\n\nIn Red Hat Satellite 6, Candlepin is using Tomcat to provide a REST API, and has been found to be vulnerable to the flaw. However, it is currently believed that no useful attacks can be carried over.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
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          "restart_required": {
            "category": "none"
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          "url": "https://access.redhat.com/errata/RHSA-2021:1030"
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          "category": "workaround",
          "details": "Workaround for Red Hat Satellite 6 is to add iptables rule to deny TCP requests of Tomcat that are not originating from the Satellite.\n\nFor other Red Hat products, either mitigation isn\u0027t available or the currently available options don\u0027t meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
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      "scores": [
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            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
            "version": "3.1"
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "tomcat: Mishandling of Transfer-Encoding header allows for HTTP request smuggling"
    }
  ]
}

cve-2019-17563

Vulnerability from cvelistv5

Published

2019-12-23 16:39

Modified

2024-08-05 01:40

Severity ?

Summary

When using FORM authentication with Apache Tomcat 9.0.0.M1 to 9.0.29, 8.5.0 to 8.5.49 and 7.0.0 to 7.0.98 there was a narrow window where an attacker could perform a session fixation attack. The window was considered too narrow for an exploit to be practical but, erring on the side of caution, this issue has been treated as a security vulnerability.

References

▼	URL	Tags
	https://www.debian.org/security/2019/dsa-4596	vendor-advisory, x_refsource_DEBIAN
	https://seclists.org/bugtraq/2019/Dec/43	mailing-list, x_refsource_BUGTRAQ
	http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00013.html	vendor-advisory, x_refsource_SUSE
	https://lists.debian.org/debian-lts-announce/2020/01/msg00024.html	mailing-list, x_refsource_MLIST
	https://usn.ubuntu.com/4251-1/	vendor-advisory, x_refsource_UBUNTU
	https://lists.apache.org/thread.html/r6ccee4e849bc77df0840c7f853f6bd09d426f6741247da2b7429d5d9%40%3Cdev.tomcat.apache.org%3E	mailing-list, x_refsource_MLIST
	https://lists.apache.org/thread.html/r3bbb800a816d0a51eccc5a228c58736960a9fffafa581a225834d97d%40%3Cdev.tomcat.apache.org%3E	mailing-list, x_refsource_MLIST
	https://lists.apache.org/thread.html/r9136ff5b13e4f1941360b5a309efee2c114a14855578c3a2cbe5d19c%40%3Cdev.tomcat.apache.org%3E	mailing-list, x_refsource_MLIST
	https://lists.apache.org/thread.html/raba0fabaf4d56d4325ab2aca8814f0b30a237ab83d8106b115ee279a%40%3Cdev.tomcat.apache.org%3E	mailing-list, x_refsource_MLIST
	https://lists.apache.org/thread.html/r48c1444845fe15a823e1374674bfc297d5008a5453788099ea14caf0%40%3Cdev.tomcat.apache.org%3E	mailing-list, x_refsource_MLIST
	https://security.gentoo.org/glsa/202003-43	vendor-advisory, x_refsource_GENTOO
	https://www.debian.org/security/2020/dsa-4680	vendor-advisory, x_refsource_DEBIAN
	https://lists.debian.org/debian-lts-announce/2020/05/msg00026.html	mailing-list, x_refsource_MLIST
	https://www.oracle.com/security-alerts/cpuapr2020.html	x_refsource_MISC
	https://lists.apache.org/thread.html/reb9a66f176df29b9a832caa95ebd9ffa3284e8f4922ec4fa3ad8eb2e%40%3Cissues.cxf.apache.org%3E	mailing-list, x_refsource_MLIST
	https://www.oracle.com/security-alerts/cpujul2020.html	x_refsource_MISC
	https://lists.apache.org/thread.html/8b4c1db8300117b28a0f3f743c0b9e3f964687a690cdf9662a884bbd%40%3Cannounce.tomcat.apache.org%3E	x_refsource_CONFIRM
	https://security.netapp.com/advisory/ntap-20200107-0001/	x_refsource_CONFIRM
	https://www.oracle.com/security-alerts/cpujan2021.html	x_refsource_MISC

Impacted products

▼	Vendor	Product
	Apache Software Foundation	Apache Tomcat

Show details on NVD website

JSON

To clipboard

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cve-2020-1935

Vulnerability from cvelistv5

Published

2020-02-24 21:11

Modified

2024-08-04 06:53

Severity ?

Summary

In Apache Tomcat 9.0.0.M1 to 9.0.30, 8.5.0 to 8.5.50 and 7.0.0 to 7.0.99 the HTTP header parsing code used an approach to end-of-line parsing that allowed some invalid HTTP headers to be parsed as valid. This led to a possibility of HTTP Request Smuggling if Tomcat was located behind a reverse proxy that incorrectly handled the invalid Transfer-Encoding header in a particular manner. Such a reverse proxy is considered unlikely.

References

▼	URL	Tags
	https://lists.apache.org/thread.html/r127f76181aceffea2bd4711b03c595d0f115f63e020348fe925a916c%40%3Cannounce.tomcat.apache.org%3E	mailing-list, x_refsource_MLIST
	https://lists.debian.org/debian-lts-announce/2020/03/msg00006.html	mailing-list, x_refsource_MLIST
	http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00025.html	vendor-advisory, x_refsource_SUSE
	https://lists.apache.org/thread.html/rc31cbabb46cdc58bbdd8519a8f64b6236b2635a3922bbeba0f0e3743%40%3Ccommits.tomee.apache.org%3E	mailing-list, x_refsource_MLIST
	https://lists.apache.org/thread.html/r7bc994c965a34876bd94d5ff15b4e1e30b6220a15eb9b47c81915b78%40%3Ccommits.tomee.apache.org%3E	mailing-list, x_refsource_MLIST
	https://www.debian.org/security/2020/dsa-4673	vendor-advisory, x_refsource_DEBIAN
	https://www.debian.org/security/2020/dsa-4680	vendor-advisory, x_refsource_DEBIAN
	https://lists.debian.org/debian-lts-announce/2020/05/msg00026.html	mailing-list, x_refsource_MLIST
	https://www.oracle.com/security-alerts/cpujul2020.html	x_refsource_MISC
	https://security.netapp.com/advisory/ntap-20200327-0005/	x_refsource_CONFIRM
	https://lists.apache.org/thread.html/r441c1f30a252bf14b07396286f6abd8089ce4240e91323211f1a2d75%40%3Cusers.tomcat.apache.org%3E	mailing-list, x_refsource_MLIST
	https://lists.apache.org/thread.html/r660cd379afe346f10d72c0eaa8459ccc95d83aff181671b7e9076919%40%3Cusers.tomcat.apache.org%3E	mailing-list, x_refsource_MLIST
	https://lists.apache.org/thread.html/rd547be0c9d821b4b1000a694b8e58ef9f5e2d66db03a31dfe77c4b18%40%3Cusers.tomcat.apache.org%3E	mailing-list, x_refsource_MLIST
	https://lists.apache.org/thread.html/ra5dee390ad2d60307b8362505c059cd6a726de4d146d63dfce1e05e7%40%3Cusers.tomcat.apache.org%3E	mailing-list, x_refsource_MLIST
	https://lists.apache.org/thread.html/r80e9c8417c77d52c62809168b96912bda70ddf7748f19f8210f745b1%40%3Cusers.tomcat.apache.org%3E	mailing-list, x_refsource_MLIST
	https://usn.ubuntu.com/4448-1/	vendor-advisory, x_refsource_UBUNTU
	https://www.oracle.com/security-alerts/cpuoct2020.html	x_refsource_MISC
	https://www.oracle.com/security-alerts/cpujan2021.html	x_refsource_MISC
	https://lists.apache.org/thread.html/r9ce7918faf347e7aac32be930bf26c233b0b140fe37af0bb294158b6%40%3Cdev.tomcat.apache.org%3E	mailing-list, x_refsource_MLIST

Impacted products

▼	Vendor	Product
	Apache	Apache Tomcat

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.

Action not permitted

rhsa-2021_1030

Vulnerability from csaf_redhat

cve-2019-17563

Vulnerability from cvelistv5

cve-2020-1935

Vulnerability from cvelistv5

Tags

Sightings

Nomenclature