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Vulnerability Details : CVE-2016-7167

Multiple integer overflows in the (1) curl_escape, (2) curl_easy_escape, (3) curl_unescape, and (4) curl_easy_unescape functions in libcurl before 7.50.3 allow attackers to have unspecified impact via a string of length 0xffffffff, which triggers a heap-based buffer overflow.
Publish Date : 2016-10-07 Last Update Date : 2018-11-13
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Overflow
CWE ID 190

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2017:2016: curl security, bug fix, and enhancement update (Moderate) oval:com.redhat.rhsa:def:20172016 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2016-7167

# Product Type Vendor Product Version Update Edition Language
1 OS Fedoraproject Fedora 23 * * * Version Details Vulnerabilities
2 OS Fedoraproject Fedora 24 * * * Version Details Vulnerabilities
3 OS Fedoraproject Fedora 25 * * * Version Details Vulnerabilities
4 Application Haxx Libcurl * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Fedoraproject Fedora 3
Haxx Libcurl 1

- References For CVE-2016-7167
MLIST [debian-lts-announce] 20181106 [SECURITY] [DLA 1568-1] curl security update[email protected]/message/LTH54DFOS4TSYPG5XKJDGAG4XPAR4T7M/
REDHAT RHSA-2017:2016
REDHAT RHSA-2018:2486
GENTOO GLSA-201701-47
BID 92975 curl/libcURL CVE-2016-7167 Multiple Integer Overflow Vulnerabilities Release Date:2016-12-19
SLACKWARE SSA:2016-259-01
SECTRACK 1036813[email protected]/message/ZMRWVISG7VUCYRMF23A2UHMYD72VQWAK/
FEDORA FEDORA-2016-80f4f71eff[email protected]/message/B3IU2FRXQNU6UJIQT4NGLWWTP2GJQXO7/
FEDORA FEDORA-2016-08533fc59c

- Metasploit Modules Related To CVE-2016-7167

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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