Lua up to 5.2.2 ldo.c memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Lua up to 5.2.2. Impacted is an unknown function of the file ldo.c. The manipulation results in memory corruption. This vulnerability is reported as CVE-2014-5461. No exploit exists.

Detailsinfo

A vulnerability classified as critical has been found in Lua up to 5.2.2. Affected is an unknown function of the file ldo.c. 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 availability. CVE summarizes:

Buffer overflow in the vararg functions in ldo.c in Lua 5.1 through 5.2.x before 5.2.3 allows context-dependent attackers to cause a denial of service (crash) via a small number of arguments to a function with a large number of fixed arguments.

The weakness was disclosed 09/04/2014 (oss-sec). The advisory is shared for download at openwall.com. This vulnerability is traded as CVE-2014-5461 since 08/26/2014. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 78345 (Amazon Linux AMI : lua (ALAS-2014-402)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 122747 (Solaris 11.2 Support Repository Update (SRU) 3.4.1 Missing).

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 X-Force (95390), Tenable (78345), SecurityFocus (BID 69342†), Secunia (SA59890†) and Vulnerability Center (SBV-46004†). The entries VDB-11686, VDB-67944, VDB-68788 and VDB-68789 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

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: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 78345
Nessus Name: Amazon Linux AMI : lua (ALAS-2014-402)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 703015
OpenVAS Name: Debian Security Advisory DSA 3015-1 (lua5.1 - 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

08/21/2014 🔍
08/21/2014 +0 days 🔍
08/26/2014 +5 days 🔍
09/04/2014 +9 days 🔍
09/04/2014 +0 days 🔍
09/04/2014 +0 days 🔍
09/07/2014 +3 days 🔍
10/12/2014 +35 days 🔍
03/26/2015 +165 days 🔍
03/28/2022 +2559 days 🔍

Sourcesinfo

Advisory: USN-2338-1
Status: Not defined
Confirmation: 🔍

CVE: CVE-2014-5461 (🔍)
GCVE (CVE): GCVE-0-2014-5461
GCVE (VulDB): GCVE-100-70812

OVAL: 🔍

X-Force: 95390
SecurityFocus: 69342 - Lua 'ldo.c' Remote Code Execution Vulnerability
Secunia: 59890 - Debian update for lua5.1 and lua5.2, Less Critical
Vulnerability Center: 46004 - Lua Prior to 5.2.3 Remote DoS via a Malformed Function Calling, Medium

See also: 🔍

Entryinfo

Created: 03/26/2015 15:08
Updated: 03/28/2022 22:23
Changes: 03/26/2015 15:08 (69), 06/05/2017 10:52 (6), 03/28/2022 22:10 (3), 03/28/2022 22:23 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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