Networkupstools NUT up to 2.6.3-3 addchar memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability has been found in Networkupstools NUT up to 2.6.3-3 and classified as critical. Affected by this issue is the function addchar. The manipulation leads to memory corruption. This vulnerability is referenced as CVE-2012-2944. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Networkupstools NUT up to 2.6.3-3. It has been rated as critical. This issue affects the function addchar. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow in the addchar function in common/parseconf.c in upsd in Network UPS Tools (NUT) before 2.6.4 allows remote attackers to execute arbitrary code or cause a denial of service (electric-power outage) via a long string containing non-printable characters.

The weakness was published 06/01/2012 (Website). It is possible to read the advisory at hermes.opensuse.org. The identification of this vulnerability is CVE-2012-2944 since 05/29/2012. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 74730 (openSUSE Security Update : nut (openSUSE-SU-2012:1069-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165451 (SUSE Enterprise Linux Security Update for nuts(SUSE-SU-2012:1077-1)).

Upgrading to version 2.4.2 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (75980), Tenable (74730), SecurityFocus (BID 53743†), OSVDB (82409†) and Secunia (SA49348†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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: 74730
Nessus Name: openSUSE Security Update : nut (openSUSE-SU-2012:1069-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 71460
OpenVAS Name: Debian Security Advisory DSA 2484-1 (nut)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: NUT 2.4.2

Timelineinfo

05/29/2012 🔍
05/31/2012 +2 days 🔍
06/01/2012 +1 days 🔍
06/01/2012 +0 days 🔍
06/01/2012 +0 days 🔍
06/05/2012 +4 days 🔍
06/13/2014 +738 days 🔍
03/23/2015 +283 days 🔍
12/31/2024 +3571 days 🔍

Sourcesinfo

Advisory: dsa-2484
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-2944 (🔍)
GCVE (CVE): GCVE-0-2012-2944
GCVE (VulDB): GCVE-100-60875

OVAL: 🔍

X-Force: 75980
SecurityFocus: 53743
Secunia: 49348 - Network UPS Tools "addchar()" Buffer Overflow Vulnerability, Moderately Critical
OSVDB: 82409
Vulnerability Center: 35257 - Network UPS Tools Before 2.6.4 upsd Buffer Overflow Allows Remote Code Execution \\ DoS, High

Entryinfo

Created: 03/23/2015 16:50
Updated: 12/31/2024 05:32
Changes: 03/23/2015 16:50 (62), 04/13/2017 13:02 (11), 12/03/2021 09:12 (3), 12/03/2021 09:13 (1), 12/03/2021 09:18 (1), 12/31/2024 05:32 (18)
Complete: 🔍
Cache ID: 216:8B0:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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