5.8

CVE-2011-1428: flashtux weechat Improper Input Validation

CVSS: 5.8v2.0MediumModified
AliasesUBUNTU-CVE-2011-1428DEBIAN-CVE-2011-1428
Published 16-03-2011Last modified 17-09-2024

Vulnerability summary

CVE-2011-1428 is a medium (CVSS 5.8) Improper Input Validation vulnerability in flashtux weechat. EPSS estimates a 1.08% chance of exploitation in the next 30 days, higher than 64.8% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
33/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.8/10
010
Medium · v2.0 (NVD)
EPSS score
1.08%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference

Advisory lineage

Upstream 0 · Downstream 1

Timeline

  1. 16-03-2011
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

Wee Enhanced Environment for Chat (aka WeeChat) 0.3.4 and earlier does not properly verify that the server hostname matches the domain name of the subject of an X.509 certificate, which allows man-in-the-middle attackers to spoof an SSL chat server via an arbitrary certificate, related to incorrect use of the GnuTLS API.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.08%

Chance of exploitation in the next 30 days

Percentile

65%

Versus all other CVEs

30-day change

0.00 pp

From 1.08% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.08%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • referenceUnverified

    Exploit Reference (savannah.nongnu.org)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (archives.neohapsis.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • weechat< 0.3.5-1
Flashtux1 product
  • weechat≤ 0.3.4 | 0.0.1 | 0.0.2 | 0.0.3 | 0.0.4 | 0.0.5 | 0.0.6 | 0.0.7 | 0.0.8 | 0.0.9 | 0.1.0 | 0.1.1 | 0.1.2 | 0.1.3 | 0.1.4 | 0.1.5 | 0.1.6 | 0.1.7 | 0.1.8 | 0.1.9 | 0.2.0 | 0.2.1 | 0.2.2 | 0.2.3 | 0.2.4 | 0.2.5 | 0.2.6 | 0.2.6.1 | 0.2.6.2 | 0.2.6.3 | 0.3.0 | 0.3.1 | 0.3.1.1 | 0.3.2 | 0.3.3
Ubuntu1 product
  • weechat< 0.4.2-3ubuntu0.1 | < 1.4-2ubuntu0.1

3 vendors · 3 products

References

8 links