Info-ZIP UnZIP 6.0 Compression Method list.c list_files memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Info-ZIP UnZIP 6.0. Impacted is the function list_files of the file list.c of the component Compression Method Handler. Performing a manipulation results in memory corruption. This vulnerability was named CVE-2014-9913. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Info-ZIP UnZIP 6.0. This affects the function list_files of the file list.c of the component Compression Method Handler. 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:

Buffer overflow in the list_files function in list.c in Info-Zip UnZip 6.0 allows remote attackers to cause a denial of service (crash) via vectors related to the compression method.

The bug was discovered 11/03/2014. The weakness was presented 01/18/2017 by Salvatore Bonaccorso (Website). It is possible to read the advisory at openwall.com. This vulnerability is uniquely identified as CVE-2014-9913 since 12/05/2016. Attacking locally is a requirement. A authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 771 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 95774 (Debian DLA-741-1 : unzip security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. 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)).

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (95774) and SecurityFocus (BID 95081†). See VDB-73897, VDB-78975, VDB-78976 and VDB-95531 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.0
NVD Vector: 🔍

CVSSv2info

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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: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 95774
Nessus Name: Debian DLA-741-1 : unzip security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/03/2014 🔍
11/03/2016 +731 days 🔍
12/05/2016 +32 days 🔍
12/13/2016 +8 days 🔍
12/14/2016 +1 days 🔍
01/18/2017 +35 days 🔍
01/18/2017 +0 days 🔍
01/19/2017 +1 days 🔍
05/13/2026 +3401 days 🔍

Sourcesinfo

Advisory: openwall.com
Researcher: Salvatore Bonaccorso
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-9913 (🔍)
GCVE (CVE): GCVE-0-2014-9913
GCVE (VulDB): GCVE-100-95463
SecurityFocus: 95081 - Info-ZIP UnZip CVE-2014-9913 Buffer Overflow Vulnerability
OSVDB: - CVE-2014-9913 - Info-Zip - UnZip - Buffer Overflow Issue

See also: 🔍

Entryinfo

Created: 01/19/2017 09:38
Updated: 05/13/2026 14:26
Changes: 01/19/2017 09:38 (69), 07/24/2020 12:30 (12), 05/13/2026 14:26 (17)
Complete: 🔍
Cache ID: 216::103

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

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