UnZip Password Protected ZIP Archive memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in UnZip. The affected element is an unknown function of the component Password Protected ZIP Archive. Performing a manipulation results in memory corruption. This vulnerability is known as CVE-2015-7696. No exploit is available.

Detailsinfo

A vulnerability classified as critical has been found in UnZip (affected version unknown). This affects an unknown functionality of the component Password Protected ZIP Archive. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Info-ZIP UnZip 6.0 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) or possibly execute arbitrary code via a crafted password-protected ZIP archive, possibly related to an Extra-Field size value.

The weakness was published 10/30/2015 by Gustavo Grieco (Website). It is possible to read the advisory at info-zip.org. This vulnerability is uniquely identified as CVE-2015-7696 since 10/04/2015. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 86551 , which helps to determine the existence of the flaw in a target environment. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171621 (SUSE Enterprise Linux Security Update for unzip (SUSE-SU-2018:2978-1)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (86551), SecurityFocus (BID 76863†) and SecurityTracker (ID 1034027†). Similar entries are available at VDB-73897, VDB-78976, VDB-95463 and VDB-95531. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

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: 86551
Nessus File: 🔍
Nessus Risk: 🔍

OpenVAS ID: 703386
OpenVAS Name: Debian Security Advisory DSA 3386-1 (unzip - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/07/2015 🔍
10/04/2015 +27 days 🔍
10/29/2015 +25 days 🔍
10/30/2015 +1 days 🔍
11/02/2015 +3 days 🔍
11/06/2015 +4 days 🔍
06/25/2022 +2423 days 🔍

Sourcesinfo

Advisory: USN-2788-1
Researcher: Gustavo Grieco
Status: Confirmed

CVE: CVE-2015-7696 (🔍)
GCVE (CVE): GCVE-0-2015-7696
GCVE (VulDB): GCVE-100-78975

OVAL: 🔍

SecurityFocus: 76863 - Info-ZIP UnZip Heap Buffer Overflow and Denial of Service Vulnerabilities
SecurityTracker: 1034027

See also: 🔍

Entryinfo

Created: 11/02/2015 10:38
Updated: 06/25/2022 15:00
Changes: 11/02/2015 10:38 (54), 02/27/2018 08:25 (10), 06/25/2022 14:58 (3), 06/25/2022 15:00 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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