Executive Summary

Summary
Title Mercurial vulnerability
Informations
NameUSN-4086-1First vendor Publication2019-08-06
VendorUbuntuLast vendor Modification2019-08-06
Severity (Vendor) N/ARevisionN/A

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:N/I:P/A:P)
Cvss Base Score5.8Attack RangeNetwork
Cvss Impact Score4.9Attack ComplexityMedium
Cvss Expoit Score8.6AuthenticationNone Required
Calculate full CVSS 2.0 Vectors scores

Detail

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 19.04

Summary:

Mercurial could be made to overwrite files.

Software Description: - mercurial: easy-to-use, scalable distributed version control system

Details:

It was discovered that Mercurial mishandled symlinks in subrepositories. An attacker could use this vulnerability to write arbitrary files to the target's filesystem.

Update instructions:

The problem can be corrected by updating your system to the following package versions:

Ubuntu 19.04:
mercurial 4.8.2-1ubuntu3.19.04.1
mercurial-common 4.8.2-1ubuntu3.19.04.1

In general, a standard system update will make all the necessary changes.

References:
https://usn.ubuntu.com/4086-1
CVE-2019-3902

Package Information:
https://launchpad.net/ubuntu/+source/mercurial/4.8.2-1ubuntu3.19.04.1

Original Source

Url : http://www.ubuntu.com/usn/USN-4086-1

CWE : Common Weakness Enumeration

%idName
100 %CWE-59Improper Link Resolution Before File Access ('Link Following')

CPE : Common Platform Enumeration

TypeDescriptionCount
Application129
Os1
Os1

Alert History

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0
DateInformations
2019-08-06 21:19:21
  • First insertion