Vulnerability CVE-2015-3144


Published: 2015-04-24

Description:
The fix_hostname function in cURL and libcurl 7.37.0 through 7.41.0 does not properly calculate an index, which allows remote attackers to cause a denial of service (out-of-bounds read or write and crash) or possibly have other unspecified impact via a zero-length host name, as demonstrated by "http://:80" and ":80."

See advisories in our WLB2 database:
Topic
Author
Date
Med.
cURL libcurl 7.41.0 DoS by a zero-length host name
Hanno Böck
26.04.2015

Type:

CWE-119

(Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:L/Au:S/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
9/10
10/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Oracle -> Mysql enterprise monitor 
HAXX -> CURL 
HAXX -> Libcurl 
Debian -> Debian linux 
Canonical -> Ubuntu linux 

 References:
http://curl.haxx.se/docs/adv_20150422D.html
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10743
http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155957.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/156945.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157017.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157188.html
http://lists.opensuse.org/opensuse-updates/2015-04/msg00057.html
http://www.debian.org/security/2015/dsa-3232
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
http://www.securityfocus.com/bid/74300
http://www.securitytracker.com/id/1032232
http://www.ubuntu.com/usn/USN-2591-1
https://security.gentoo.org/glsa/201509-02
https://support.apple.com/kb/HT205031

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