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CVE-2020-9760

Good to know:

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Date: March 23, 2020

An issue was discovered in WeeChat before 2.7.1 (0.3.4 to 2.7 are affected). When a new IRC message 005 is received with longer nick prefixes, a buffer overflow and possibly a crash can happen when a new mode is set for a nick.

Language: C

Severity Score

Related Resources (9)

https://nvd.nist.gov/vuln/detail/CVE-2020-9760
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-9760
https://security-tracker.debian.org/tracker/CVE-2020-9760
https://lists.debian.org/debian-lts-announce/2020/03/msg00031.html
https://lists.debian.org/debian-lts-announce/2021/09/msg00018.html
https://weechat.org/doc/security/
https://security.gentoo.org/glsa/202003-51
https://github.com/weechat/weechat/commit/40ccacb4330a64802b1f1e28ed9a6b6d3ca9197f
https://www.mend.io/vulnerability-database/CVE-2020-9760

Severity Score

Weakness Type (CWE)

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CWE-120

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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