Buffer Overflow Affecting accel-ppp/accel-ppp package, versions [0,1.14.0)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
1.03% (61st percentile)

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  • Snyk IDSNYK-UNMANAGED-ACCELPPPACCELPPP-9653164
  • published17 May 2022
  • disclosed17 May 2022
  • creditGoldBinocle

Introduced: 17 May 2022

CVE-2021-42870  (opens in a new tab)
CWE-119  (opens in a new tab)
CWE-120  (opens in a new tab)

How to fix?

Upgrade accel-ppp/accel-ppp to version 1.14.0 or higher.

Overview

Affected versions of this package are vulnerable to Buffer Overflow in post_msg when processing a call_clear_request. This vulnerability can be exploited when sending PPTP Call Clear Request Packet after PPTP Start Control Connection Request and PPTP Outgoing Call Request to the server.

CVSS Base Scores

version 3.1