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Fencer Intel
medium 4.3

CVE-2015-3310 json

Buffer overflow in the rc_mksid function in plugins/radius/util.c in Paul's PPP Package (ppp) 2.4.6 and earlier, when the PID for pppd is g…

published 2015-04-24 11 y ago modified 2026-06-17 4 mo ago also EUVD-2015-3356

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.4%
EPSS 5.4% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

Buffer overflow in the rc_mksid function in plugins/radius/util.c in Paul's PPP Package (ppp) 2.4.6 and earlier, when the PID for pppd is greater than 65535, allows remote attackers to cause a denial of service (crash) via a start accounting message to the RADIUS server.

Patch / fix

  • ppp Debian 14, Debian 13, Debian 12 2.4.6-3.1

debian advisories DEBIAN-CVE-2015-3310

  • ppp Ubuntu 14.04 LTS 2.4.5-5.1ubuntu2.2

ubuntu advisories UBUNTU-CVE-2015-3310

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • ppp SLES for SAP 12 SP2, SLES for SAP 12 SP1, SLES for Raspberry Pi 12 SP2 +6 more 2.4.7-3.4
  • ppp SLES for SAP 11 SP4, SLES 11 SP4, SLE Software Development Kit 11 SP4 2.4.5.git-2.31.7

suse advisories SUSE-SU-2017:0474-1SUSE-SU-2017:0473-1

  • ppp openSUSE Tumbleweed 2.4.7-7.1

opensuse advisories openSUSE-SU-2024:10049-1

  • ppp Azure Linux 3.0 2.5.0-1

azure linux advisories AZL-44211

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2015-3310 updated cvss 4.3

ppp: buffer overflow in radius plug-in's rc_mksid()

  • Red Hat Enterprise Linux 5 ppp Red Hat Enterprise Linux 6 ppp Red Hat Enterprise Linux 7 ppp
    affected: no fix planned “Will not fix”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

5.41% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.