GNU screen up to 4.0.1 ansi.c integer coercion

CVSS Meta Temp Score
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CTI Interest Score
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10.0$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in GNU screen up to 4.0.1. The impacted element is an unknown function of the file ansi.c. Such manipulation with the input ; leads to integer coercion. This vulnerability is referenced as CVE-2003-0972. No exploit is available.

Detailsinfo

A vulnerability was found in GNU screen up to 4.0.1. It has been rated as very critical. Affected by this issue is an unknown functionality of the file ansi.c. The manipulation with the input value ; leads to a integer coercion vulnerability. Using CWE to declare the problem leads to CWE-192. Integer coercion refers to a set of flaws pertaining to the type casting, extension, or truncation of primitive data types. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Integer signedness error in ansi.c for GNU screen 4.0.1 and earlier, and 3.9.15 and earlier, allows local users to execute arbitrary code via a large number of ";" (semicolon) characters in escape sequences, which leads to a buffer overflow.

The weakness was published 12/15/2003 by Timo Sirainen (Website). The advisory is available at debian.org. This vulnerability is handled as CVE-2003-0972 since 12/01/2003. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD at the moment (estimation calculated on 06/29/2021).

The vulnerability scanner Nessus provides a plugin with the ID 15245 (Debian DSA-408-1 : screen - integer overflow), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks.

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 (13857), Tenable (15245), SecurityFocus (BID 9117†), Secunia (SA10539†) and Vulnerability Center (SBV-37169†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 10.0

VulDB Base Score: 10.0
VulDB Temp Score: 10.0
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: Integer coercion
CWE: CWE-192 / 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: 15245
Nessus Name: Debian DSA-408-1 : screen - integer overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 53106
OpenVAS Name: Debian Security Advisory DSA 408-1 (screen)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/26/2003 🔍
11/27/2003 +1 days 🔍
12/01/2003 +4 days 🔍
12/15/2003 +14 days 🔍
12/15/2003 +0 days 🔍
01/05/2004 +21 days 🔍
09/29/2004 +268 days 🔍
11/13/2012 +2967 days 🔍
08/21/2014 +646 days 🔍
06/29/2021 +2504 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: debian.org
Researcher: Timo Sirainen
Status: Not defined
Confirmation: 🔍

CVE: CVE-2003-0972 (🔍)
GCVE (CVE): GCVE-0-2003-0972
GCVE (VulDB): GCVE-100-21050
X-Force: 13857
SecurityFocus: 9117 - GNU Screen Escape Sequence Integer Overflow Array Indexing Vulnerability
Secunia: 10539 - Debian update for screen, Less Critical
Vulnerability Center: 37169 - GNU Screen \x27ansi.c\x27 Integer Signedness Error Allows Local Code Execution via Large Number of \x27;\x27, High

Entryinfo

Created: 08/21/2014 17:38
Updated: 06/29/2021 10:47
Changes: 08/21/2014 17:38 (67), 04/20/2017 22:20 (7), 06/29/2021 10:47 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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