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---
name: IRSSI-SA-2018-01
release_date: 2018-01-07
bugs:
-
cve: CVE-2018-5206
cwe: CWE-476
exploitable_by: server
affected_versions:
to: 1.0.5
fixed_version: 1.0.6
credit: 'Joseph Bisch'
description: 'When the channel topic is set without specifying a sender, Irssi may dereference NULL pointer.'
mitigating_info: >
requires a broken ircd or control over the ircd
-
cve: CVE-2018-5205
cwe: CWE-126
exploitable_by: formats
affected_versions:
to: 1.0.5
fixed_version: 1.0.6
credit: 'Joseph Bisch'
description: 'When using incomplete escape codes, Irssi may access data beyond the end of the string.'
mitigating_info: >
requires user to install malicious or broken files or enter
affected commands
-
cve: CVE-2018-5208
cwe: CWE-126
exploitable_by: server
affected_versions:
to: 1.0.5
fixed_version: 1.0.6
credit: 'Joseph Bisch'
description: 'A calculation error in the completion code could cause a heap buffer overflow when completing certain strings.'
-
cve: CVE-2018-5207
cwe: CWE-126
exploitable_by: formats
affected_versions:
to: 1.0.5
fixed_version: 1.0.6
credit: 'Joseph Bisch'
description: 'When using an incomplete variable argument, Irssi may access data beyond the end of the string.'
mitigating_info: >
requires user to install malicious or broken files or enter
affected commands
impact: >
May affect the stability of Irssi.
recommended_action: >
Upgrade to Irssi 1.0.6. Irssi 1.0.6 is a maintenance release in the
1.0 series, without any new features.
After installing the updated packages, one can issue the /upgrade
command to load the new binary. TLS connections will require
/reconnect.
patch: https://github.com/irssi/irssi/releases/download/1.0.6/irssi-1.0.5_1.0.6.diff
---
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