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Gentoo: GLSA-202007-25 High: arpwatch Local Privilege Escalation

gentoo
Calendar Grey July 26, 2020
Dist Gentoo Esm H88
Uncover a critical privilege escalation vulnerability in Arch's netwatch. Maintain your security with our newest bulletin and upgrade.
A vulnerability was discovered in arpwatch which may allow local attackers to gain root privileges.

Summary

It was discovered that Gentoo’s arpwatch ebuild made excessive permission operations on its data directories, possibly changing ownership of unintended files. This only affects OpenRC systems, as the flaw was exploitable via the init script.

Topics%20covered

Topics Covered

security advisory high severity gentoo network monitoring local escalation arpwatch root privilege

Resolution

All arpwatch users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot -v ">=net-analyzer/arpwatch-2.1.15-r11"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202007-25
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity: High
Title: arpwatch: Root privilege escalation
Date: July 27, 2020
Bugs: #602552
ID: 202007-25

Topics%20covered

Topics Covered

security advisory high severity gentoo network monitoring local escalation arpwatch root privilege

Synopsis

A vulnerability was discovered in arpwatch which may allow local attackers to gain root privileges.

Background

The ethernet monitor program; for keeping track of ethernet/ip address pairings.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-analyzer/arpwatch < 2.1.15-r11 >= 2.1.15-r11

Impact

===== A local attacker could escalate privileges.

Workaround

There is no known workaround at this time.

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