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CVE-2016-7553

Status Candidate

Overview

The buf.pl script before 2.20 in Irssi before 0.8.20 uses weak permissions for the scrollbuffer dump file created between upgrades, which might allow local users to obtain sensitive information from private chat conversations by reading the file.

Related Files

Ubuntu Security Notice USN-3184-1
Posted Feb 2, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3184-1 - It was discovered that the Irssi buf.pl script set incorrect permissions. A local attacker could use this issue to retrieve another user's window contents. Joseph Bisch discovered that Irssi incorrectly handled comparing nicks. A remote attacker could use this issue to cause Irssi to crash, resulting in a denial of service, or possibly execute arbitrary code. It was discovered that Irssi incorrectly handled invalid nick messages. A remote attacker could use this issue to cause Irssi to crash, resulting in a denial of service, or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary, local
systems | linux, ubuntu
advisories | CVE-2016-7553, CVE-2017-5193, CVE-2017-5194, CVE-2017-5195, CVE-2017-5196, CVE-2017-5356
SHA-256 | 8fffde546749a146e440119761742c9054a80582cb3f6cf8fcecc6028e307fd3
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