CVE-2015-3183

Description

The chunked transfer coding implementation in the Apache HTTP Server before 2.4.14 does not properly parse chunk headers, which allows remote attackers to conduct HTTP request smuggling attacks via a crafted request, related to mishandling of large chunk-size values and invalid chunk-extension characters in modules/http/http_filters.c.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 37.36% Top 5%
Vendor Advisory marc.info Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory gentoo.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory apple.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory apple.com Vendor Advisory apache.org Vendor Advisory apache.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://marc.info/?l=bugtraq&m=144493176821532&w=2 mailing list vdb entry third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2016-2056.html third party advisory vendor advisory
http://lists.opensuse.org/opensuse-updates/2015-10/msg00011.html third party advisory vendor advisory
http://httpd.apache.org/security/vulnerabilities_24.html vendor advisory
http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html patch
http://rhn.redhat.com/errata/RHSA-2016-0061.html third party advisory vendor advisory
http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html vdb entry third party advisory
https://security.gentoo.org/glsa/201610-02 third party advisory vendor advisory
http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html third party advisory patch
http://rhn.redhat.com/errata/RHSA-2015-1667.html third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2016-0062.html third party advisory vendor advisory
http://www.apache.org/dist/httpd/CHANGES_2.4 vendor advisory
http://rhn.redhat.com/errata/RHSA-2015-1666.html third party advisory vendor advisory
https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04832246 third party advisory
http://www.securitytracker.com/id/1032967 vdb entry third party advisory
http://rhn.redhat.com/errata/RHSA-2015-1668.html third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2015-2661.html third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2016-2055.html third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2686-1 third party advisory vendor advisory
http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html mailing list vendor advisory
http://www.securityfocus.com/bid/75963 vdb entry third party advisory
http://www.debian.org/security/2015/dsa-3325 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2015:2659 third party advisory vendor advisory
https://github.com/apache/httpd/commit/e427c41257957b57036d5a549b260b6185d1dd73 third party advisory
https://puppet.com/security/cve/CVE-2015-3183 third party advisory
http://www.securityfocus.com/bid/91787 vdb entry third party advisory
https://access.redhat.com/errata/RHSA-2015:2660 third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2016-2054.html third party advisory vendor advisory
https://support.apple.com/kb/HT205031 vdb entry third party advisory
https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04926789 vdb entry third party advisory
http://lists.apple.com/archives/security-announce/2015/Sep/msg00004.html mailing list vendor advisory
https://support.apple.com/HT205219 vdb entry third party advisory
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10735 third party advisory
http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html third party advisory mailing list
https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E third party advisory mailing list
https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E third party advisory mailing list
https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E third party advisory mailing list
https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3E third party advisory mailing list
https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3E third party advisory mailing list
https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%40%3Ccvs.httpd.apache.org%3E third party advisory mailing list
https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org%3E third party advisory mailing list
https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3E third party advisory mailing list
https://github.com/apache/httpd/commit/a6027e56924bb6227c1fdbf6f91e7e2438338be6 third party advisory
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E third party advisory mailing list
https://lists.apache.org/thread.html/ra7f6aeb28661fbf826969526585f16856abc4615877875f9d3b35ef4%40%3Ccvs.httpd.apache.org%3E third party advisory mailing list
https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org%3E third party advisory mailing list
https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3E third party advisory mailing list
https://lists.apache.org/thread.html/r83109088737656fa6307bd99ab40f8ff0269ae58d3f7272d7048494a%40%3Ccvs.httpd.apache.org%3E third party advisory mailing list
https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org%3E third party advisory mailing list
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E third party advisory mailing list
https://lists.apache.org/thread.html/rcc44594d4d6579b90deccd4536b5d31f099ef563df39b094be286b9e%40%3Ccvs.httpd.apache.org%3E third party advisory mailing list
https://lists.apache.org/thread.html/rb14daf9cc4e28d18cdc15d6a6ca74e565672fabf7ad89541071d008b%40%3Ccvs.httpd.apache.org%3E third party advisory mailing list
https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3E third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2015-3183?
CVE-2015-3183 has been scored as a medium severity vulnerability.
How to fix CVE-2015-3183?
To fix CVE-2015-3183, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-3183 being actively exploited in the wild?
It is possible that CVE-2015-3183 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~37% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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