libarchive up to 3.1.x ZIP Archive archive_read_support_format_zip.c zip_read_mac_metadata input validation

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.
8.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in libarchive up to 3.1.x. The impacted element is the function zip_read_mac_metadata of the file archive_read_support_format_zip.c of the component ZIP Archive Handler. Performing a manipulation results in input validation. This vulnerability is known as CVE-2016-1541. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in libarchive up to 3.1.x (File Compression Software). It has been classified as critical. This affects the function zip_read_mac_metadata of the file archive_read_support_format_zip.c of the component ZIP Archive Handler. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Heap-based buffer overflow in the zip_read_mac_metadata function in archive_read_support_format_zip.c in libarchive before 3.2.0 allows remote attackers to execute arbitrary code via crafted entry-size values in a ZIP archive.

The weakness was published 05/07/2016 (Website). The advisory is shared at kb.cert.org. This vulnerability is uniquely identified as CVE-2016-1541 since 01/07/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 91026 (FreeBSD : libarchive -- RCE vulnerability (2b4c8e1f-1609-11e6-b55e-b499baebfeaf)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 236087 (Red Hat Update for libarchive (RHSA-2016:1844)).

Upgrading to version 3.2.0 eliminates this vulnerability. A possible mitigation has been published 2 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (91026) and SecurityFocus (BID 89355†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.6

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 91026
Nessus Name: FreeBSD : libarchive -- RCE vulnerability (2b4c8e1f-1609-11e6-b55e-b499baebfeaf)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 54990
OpenVAS Name: Ubuntu Update for libarchive USN-2981-1
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: libarchive 3.2.0
Patch: github.com

Timelineinfo

01/07/2016 🔍
05/02/2016 +116 days 🔍
05/07/2016 +5 days 🔍
05/07/2016 +0 days 🔍
05/08/2016 +1 days 🔍
05/09/2016 +1 days 🔍
05/11/2016 +2 days 🔍
12/23/2024 +3148 days 🔍

Sourcesinfo

Product: github.com

Advisory: USN-2981-1
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-1541 (🔍)
GCVE (CVE): GCVE-0-2016-1541
GCVE (VulDB): GCVE-100-83805

OVAL: 🔍

CERT: 🔍
SecurityFocus: 89355 - libarchive 'archive_read_support_format_zip.c' Heap Buffer Overflow Vulnerability

Entryinfo

Created: 05/08/2016 10:23
Updated: 12/23/2024 09:23
Changes: 05/08/2016 10:23 (68), 11/21/2018 04:33 (13), 07/30/2022 01:46 (5), 07/30/2022 01:54 (1), 12/23/2024 09:23 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!