VDB-106084 · CVE-2017-14107 · Nessus 103334

libzip up to 1.2.x zip_open.c zip_read_eocd64 ZIP Archive memory corruption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in libzip up to 1.2.x. It has been declared as problematic. Affected by this vulnerability is the function zip_read_eocd64 of the file zip_open.c. Executing a manipulation as part of ZIP Archive can lead to memory corruption. The identification of this vulnerability is CVE-2017-14107. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in libzip up to 1.2.x. This vulnerability affects the function zip_read_eocd64 of the file zip_open.c. The manipulation as part of a ZIP Archive leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect availability. CVE summarizes:

The _zip_read_eocd64 function in zip_open.c in libzip before 1.3.0 mishandles EOCD records, which allows remote attackers to cause a denial of service (memory allocation failure in _zip_cdir_grow in zip_dirent.c) via a crafted ZIP archive.

The bug was discovered 09/01/2017. The weakness was shared 09/01/2017 (Website). The advisory is shared for download at blogs.gentoo.org. This vulnerability was named CVE-2017-14107 since 09/01/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 103334 (Fedora 26 : mingw-libzip (2017-4d4914a260)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 276922 (Fedora Security Update for mingw-libzip (FEDORA-2017-bb5d87e9de)).

Upgrading to version 1.3.0 eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (103334). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

libzip

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 103334
Nessus Name: Fedora 26 : mingw-libzip (2017-4d4914a260)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for mingw-libzip FEDORA-2017-bb5d87e9de
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: libzip 1.3.0
Patch: github.com

Timelineinfo

09/01/2017 🔍
09/01/2017 +0 days 🔍
09/01/2017 +0 days 🔍
09/01/2017 +0 days 🔍
09/02/2017 +1 days 🔍
09/19/2017 +17 days 🔍
09/20/2017 +1 days 🔍
12/27/2022 +1924 days 🔍