[USN-5034-1] c-ares vulnerability

Severity Medium

Affected Packages 6

CVEs 1

c-ares could be made to return wrong domains.

Philipp Jeitner and Haya Shulman discovered that c-ares incorrectly
validated certain hostnames returned by DNS servers. A remote attacker
could possibly use this issue to perform Domain Hijacking attacks.

Package	Affected Version
pkg:deb/ubuntu/libc-ares2?distro=hirsute	< 1.17.1-1ubuntu0.1
pkg:deb/ubuntu/libc-ares2?distro=focal	< 1.15.0-1ubuntu0.1
pkg:deb/ubuntu/libc-ares2?distro=bionic	< 1.14.0-1ubuntu0.1
pkg:deb/ubuntu/libc-ares-dev?distro=hirsute	< 1.17.1-1ubuntu0.1
pkg:deb/ubuntu/libc-ares-dev?distro=focal	< 1.15.0-1ubuntu0.1
pkg:deb/ubuntu/libc-ares-dev?distro=bionic	< 1.14.0-1ubuntu0.1

ID

USN-5034-1

Severity

medium

URL

https://ubuntu.com/security/notices/USN-5034-1

Published

2021-08-10T11:53:27
(3 years ago)

Modified

2021-08-10T11:53:27
(3 years ago)

Other Advisories

Type	Package URL	Namespace	Name / Product	Version	Distribution / Platform
Affected	pkg:deb/ubuntu/libc-ares2?distro=hirsute	ubuntu	libc-ares2	< 1.17.1-1ubuntu0.1	hirsute
Affected	pkg:deb/ubuntu/libc-ares2?distro=focal	ubuntu	libc-ares2	< 1.15.0-1ubuntu0.1	focal
Affected	pkg:deb/ubuntu/libc-ares2?distro=bionic	ubuntu	libc-ares2	< 1.14.0-1ubuntu0.1	bionic
Affected	pkg:deb/ubuntu/libc-ares-dev?distro=hirsute	ubuntu	libc-ares-dev	< 1.17.1-1ubuntu0.1	hirsute
Affected	pkg:deb/ubuntu/libc-ares-dev?distro=focal	ubuntu	libc-ares-dev	< 1.15.0-1ubuntu0.1	focal
Affected	pkg:deb/ubuntu/libc-ares-dev?distro=bionic	ubuntu	libc-ares-dev	< 1.14.0-1ubuntu0.1	bionic

# CVE	Description	CVSS	EPSS	EPSS Trend (30 days)	Affected Products	Weaknesses	Security Advisories	Exploits	PoC	Pubblication Date	Modification Date
# CVE	Description	CVSS	EPSS	EPSS Trend (30 days)	Affected Products	Weaknesses	Security Advisories	PoC	Pubblication Date	Modification Date