LHA Archive header.c integer underflow

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in LHA. This vulnerability affects unknown code of the file header.c of the component Archive Handler. Executing a manipulation can lead to integer underflow. The identification of this vulnerability is CVE-2016-1925. The attack may be launched remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in LHA (affected version unknown). This vulnerability affects an unknown functionality of the file header.c of the component Archive Handler. The manipulation with an unknown input leads to a integer underflow vulnerability. The CWE definition for the vulnerability is CWE-191. The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Integer underflow in header.c in lha allows remote attackers to have unspecified impact via a large header size value for the (1) level0 or (2) level1 header in a lha archive, which triggers a buffer overflow.

The bug was discovered 01/18/2016. The weakness was shared 01/23/2017 (Website). The advisory is shared for download at openwall.com. This vulnerability was named CVE-2016-1925 since 01/18/2016. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 192 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 93184 (SUSE SLES11 Security Update : lha (SUSE-SU-2016:1904-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 169011 (SUSE Enterprise Linux Security Update for lha (SUSE-SU-2016:1904-1)).

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 vulnerability database at Tenable (93184). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Integer underflow
CWE: CWE-191 / CWE-189
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: 93184
Nessus Name: SUSE SLES11 Security Update : lha (SUSE-SU-2016:1904-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 830066
OpenVAS Name: Mageia Linux Local Check: mgasa-2016-0142
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/18/2016 🔍
01/18/2016 +0 days 🔍
07/28/2016 +192 days 🔍
08/29/2016 +32 days 🔍
01/23/2017 +147 days 🔍
01/23/2017 +0 days 🔍
01/24/2017 +1 days 🔍
05/14/2026 +3397 days 🔍

Sourcesinfo

Advisory: openwall.com
Status: Confirmed

CVE: CVE-2016-1925 (🔍)
GCVE (CVE): GCVE-0-2016-1925
GCVE (VulDB): GCVE-100-95824
OSVDB: - CVE-2016-1925 - LHA - Integer Underflow Issue

Entryinfo

Created: 01/24/2017 08:30
Updated: 05/14/2026 13:59
Changes: 01/24/2017 08:30 (65), 07/30/2020 14:49 (5), 10/11/2024 17:01 (18), 05/14/2026 13:59 (3)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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