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Ubuntu 14.04 LTS / 16.04 LTS : Irssi vulnerabilities (USN-3184-1)

low Nessus Plugin ID 96953

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Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

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. (CVE-2016-7553)

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.
(CVE-2017-5193)

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. (CVE-2017-5194)

Joseph Bisch discovered that Irssi incorrectly handled certain incomplete control codes. A remote attacker could use this issue to cause Irssi to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS and Ubuntu 16.10. (CVE-2017-5195)

Hanno Bock and Joseph Bisch discovered that Irssi incorrectly handled certain incomplete character sequences. A remote attacker could use this issue to cause Irssi to crash, resulting in a denial of service.
This issue only affected Ubuntu 16.04 LTS and Ubuntu 16.10.
(CVE-2017-5196)

Hanno Bock discovered that Irssi incorrectly handled certain format strings. A remote attacker could use this issue to cause Irssi to crash, resulting in a denial of service. (CVE-2017-5356).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected irssi and / or irssi-dev packages.

See Also

https://ubuntu.com/security/notices/USN-3184-1

Plugin Details

Severity: Low

ID: 96953

File Name: ubuntu_USN-3184-1.nasl

Version: 3.10

Type: local

Agent: unix

Published: 2/2/2017

Updated: 10/20/2023

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:N

CVSS Score Source: CVE-2016-7553

CVSS v3

Risk Factor: Low

Base Score: 3.3

Temporal Score: 3

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:irssi, p-cpe:/a:canonical:ubuntu_linux:irssi-dev, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, cpe:/o:canonical:ubuntu_linux:16.04:-:lts

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/1/2017

Vulnerability Publication Date: 2/27/2017

Reference Information

CVE: CVE-2016-7553, CVE-2017-5193, CVE-2017-5194, CVE-2017-5195, CVE-2017-5196, CVE-2017-5356

USN: 3184-1