7.5
HIGH
CVE-2005-1600
LibTomCrypt El Gamal Signature Algorithm Mathematical Flaw
Description

A "mathematical flaw" in the implementation of the El Gamal signature algorithm for LibTomCrypt 1.0 to 1.0.2 allows attackers to generate valid signatures without having the private key.

INFO

Published Date :

May 16, 2005, 4 a.m.

Last Modified :

April 3, 2025, 1:03 a.m.

Remotely Exploitable :

Yes !

Impact Score :

6.4

Exploitability Score :

10.0
Affected Products

The following products are affected by CVE-2005-1600 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Libtomcrypt libtomcrypt

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2005-1600 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2005-1600 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 20, 2024

    Action Type Old Value New Value
    Added Reference http://secunia.com/advisories/15233
    Added Reference http://www.osvdb.org/16188
    Added Reference http://www.securiteam.com/unixfocus/5JP092AFPG.html
    Added Reference http://www.securityfocus.com/bid/13473
    Added Reference http://www.securityfocus.org/archive/1/397649
    Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/20455
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Jul. 11, 2017

    Action Type Old Value New Value
    Removed Reference http://xforce.iss.net/xforce/xfdb/20455 [No Types Assigned]
    Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/20455 [No Types Assigned]
  • Initial Analysis by [email protected]

    May. 17, 2005

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2005-1600 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2005-1600 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.70 }} -0.08%

score

0.69628

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability
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Latest DB Update: Jun. 23, 2025 3:11