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Debian DLA-1477-1 : libgit2 security update

high Nessus Plugin ID 112126

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Synopsis

The remote Debian host is missing a security update.

Description

CVE-2018-15501 A potential out-of-bounds read when processing a 'ng' smart packet might lead to a Denial of Service.

CVE-2018-10887 A flaw has been discovered that may lead to an integer overflow which in turn leads to an out of bound read, allowing to read before the base object. This might be used to leak memory addresses or cause a Denial of Service.

CVE-2018-10888 A flaw may lead to an out-of-bound read while reading a binary delta file. This might result in a Denial of Service.

For Debian 8 'Jessie', these problems have been fixed in version 0.21.1-3+deb8u1.

We recommend that you upgrade your libgit2 packages.

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

Solution

Upgrade the affected packages.

See Also

https://lists.debian.org/debian-lts-announce/2018/08/msg00024.html

https://packages.debian.org/source/jessie/libgit2

Plugin Details

Severity: High

ID: 112126

File Name: debian_DLA-1477.nasl

Version: 1.5

Type: local

Agent: unix

Published: 8/28/2018

Updated: 8/14/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.5

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

CVSS Score Source: CVE-2018-10887

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.3

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:libgit2-dev, cpe:/o:debian:debian_linux:8.0, p-cpe:/a:debian:debian_linux:libgit2-21, p-cpe:/a:debian:debian_linux:libgit2-dbg

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/25/2018

Reference Information

CVE: CVE-2018-10887, CVE-2018-10888, CVE-2018-15501