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GLSA
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Joined: 12 May 2004
Posts: 2308

PostPosted: Sun Mar 15, 2020 6:26 am    Post subject: [ glsa 202003-19 ] ppp Reply with quote

Gentoo Linux Security Advisory

Title: PPP: Buffer overflow (GLSA 202003-19)
Severity: high
Exploitable: remote
Date: 2020-03-15
Bug(s): #710308
ID: 202003-19

Synopsis

A buffer overflow in PPP might allow a remote attacker to execute
arbitrary code.


Background

PPP is a Unix implementation of the Point-to-Point Protocol.

Affected Packages

Package: net-dialup/ppp
Vulnerable: < 2.4.8
Unaffected: >= 2.4.8
Architectures: All supported architectures


Description

It was discovered that bounds check in PPP for the rhostname was
improperly constructed in the EAP request and response functions.


Impact

A remote attacker, by sending specially crafted authentication data,
could possibly execute arbitrary code with the privileges of the process
or cause a Denial of Service condition.


Workaround

There is no known workaround at this time.

Resolution

All PPP users should upgrade to the latest version:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=net-dialup/ppp-2.4.8"
   


References

CVE-2020-8597
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