GnuPG up to 1.2.3 ElGamal Key Type 20

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in GnuPG up to 1.2.3. This impacts an unknown function of the component ElGamal Key Type 20 Handler. Such manipulation leads to an unknown weakness. This vulnerability is documented as CVE-2003-0971. The attack requires being on the local network. There is not any exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in GnuPG up to 1.2.3. Affected by this issue is an unknown part of the component ElGamal Key Type 20 Handler. Impacted is confidentiality, and integrity. CVE summarizes:

GnuPG (GPG) 1.0.2, and other versions up to 1.2.3, creates ElGamal type 20 (sign+encrypt) keys using the same key component for encryption as for signing, which allows attackers to determine the private key from a signature.

The bug was discovered 11/27/2003. The weakness was released 11/27/2003 by Phong Q. Nguyen (Website). The advisory is shared for download at lists.gnupg.org. This vulnerability is handled as CVE-2003-0971 since 12/01/2003. The attack needs to be done within the local network. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 14091 (Mandrake Linux Security Advisory : gnupg (MDKSA-2003:109)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks and running in the context l.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at lists.gnupg.org. A possible mitigation has been published 3 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (22713), Tenable (14091), SecurityFocus (BID 9115†), OSVDB (2869†) and Secunia (SA10400†). lists.gnupg.org is providing further details. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.4
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Unknown
CWE: Unknown
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: 14091
Nessus Name: Mandrake Linux Security Advisory : gnupg (MDKSA-2003:109)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 53128
OpenVAS Name: Debian Security Advisory DSA 429-1 (gnupg)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: lists.gnupg.org

Timelineinfo

11/27/2003 🔍
11/27/2003 +0 days 🔍
11/27/2003 +0 days 🔍
11/27/2003 +0 days 🔍
11/27/2003 +0 days 🔍
11/27/2003 +0 days 🔍
12/01/2003 +3 days 🔍
12/11/2003 +10 days 🔍
12/15/2003 +4 days 🔍
01/26/2004 +42 days 🔍
07/31/2004 +187 days 🔍
05/06/2009 +1740 days 🔍
12/15/2024 +5702 days 🔍

Sourcesinfo

Advisory: lists.gnupg.org
Researcher: Phong Q. Nguyen
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2003-0971 (🔍)
GCVE (CVE): GCVE-0-2003-0971
GCVE (VulDB): GCVE-100-416

OVAL: 🔍

CERT: 🔍
X-Force: 22713
SecurityFocus: 9115 - GnuPG ElGamal Signing Key Private Key Compromise Vulnerability
Secunia: 10400 - Red Hat update for gnupg, Moderately Critical
OSVDB: 2869 - GnuPG ElGamal Encrypt+Sign Private Key Disclosure
SecuriTeam: securiteam.com
Vulnerability Center: 21916 - GnuPG 1.0.2 Through 1.2.2 Remote Attackers Gain Access to Private Key From a Signature, Medium

Misc.: 🔍

Entryinfo

Created: 11/27/2003 11:57
Updated: 12/15/2024 22:49
Changes: 11/27/2003 11:57 (89), 06/27/2019 11:02 (4), 12/15/2024 22:49 (19)
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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