CVE-2015-3310 — ppp: buffer overflow in radius plug-in's rc_mksid()

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MEDIUM

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

Published Apr 24, 2015

4.3

MEDIUM

CVSS 2.0

EPSS 5.41%

Description

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.

Affected products

Red Hat Enterprise Linux 5

ppp

Will not fix
Red Hat Enterprise Linux 6

ppp

Will not fix
Red Hat Enterprise Linux 7

ppp

Will not fix

Product	Package	State	Advisory
Red Hat Enterprise Linux 5	ppp	Will not fix	n/a
Red Hat Enterprise Linux 6	ppp	Will not fix	n/a
Red Hat Enterprise Linux 7	ppp	Will not fix	n/a

Remediation

No remediation recorded yet.

Metrics

5.41% 0.05405

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.05405

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (11 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	5.41% (0.05405)	92.44th	v5 (v2026.06.15)
Jun 15, 2026	5.46% (0.05464)	91.70th	v5 (v2026.06.15)
Mar 30, 2025	0.98% (0.00976)	74.68th	v4 (v2025.03.14)
Mar 29, 2025	9.94% (0.09940)	88.28th	v4 (v2025.03.14)
Mar 17, 2025	0.98% (0.00976)	75.15th	v4 (v2025.03.14)
Dec 12, 2024	6.70% (0.06697)	94.10th	v3 (v2023.03.01)
Mar 7, 2023	6.76% (0.06756)	92.72th	v3 (v2023.03.01)
Mar 6, 2023	1.41% (0.01408)	72.89th	v2 (v2022.01.01)
Mar 2, 2023	1.41% (0.01408)	72.88th	v2 (v2022.01.01)
Apr 1, 2022	1.41% (0.01408)	70.87th	v2 (v2022.01.01)
Feb 4, 2022	1.41% (0.01408)	49.94th	v2 (v2022.01.01)

Weaknesses (2)

CWE-119

Buffer Overflow

CWE-120

Classic Buffer Overflow

References (12)

http://advisories.mageia.org/MGASA-2015-0173.html
x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-updates/2015-11/msg00147.html
vendor-advisoryx_refsource_SUSE
http://www.debian.org/security/2015/dsa-3228
vendor-advisoryx_refsource_DEBIAN
http://www.mandriva.com/security/advisories?name=MDVSA-2015:222
vendor-advisoryx_refsource_MANDRIVA
http://www.securityfocus.com/bid/74163
vdb-entryx_refsource_BID
http://www.ubuntu.com/usn/USN-2595-1
vendor-advisoryx_refsource_UBUNTU
https://access.redhat.com/security/cve/CVE-2015-3310
Vendor Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=782450
x_refsource_CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=1211293
Issue Tracking
https://nvd.nist.gov/vuln/detail/CVE-2015-3310
https://security.gentoo.org/glsa/201701-50
vendor-advisoryx_refsource_GENTOO
https://www.cve.org/CVERecord?id=CVE-2015-3310

Link	Providers	Tags
http://advisories.mageia.org/MGASA-2015-0173.html		x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-updates/2015-11/msg00147.html		vendor-advisoryx_refsource_SUSE
http://www.debian.org/security/2015/dsa-3228		vendor-advisoryx_refsource_DEBIAN
http://www.mandriva.com/security/advisories?name=MDVSA-2015:222		vendor-advisoryx_refsource_MANDRIVA
http://www.securityfocus.com/bid/74163		vdb-entryx_refsource_BID
http://www.ubuntu.com/usn/USN-2595-1		vendor-advisoryx_refsource_UBUNTU
https://access.redhat.com/security/cve/CVE-2015-3310		Vendor Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=782450		x_refsource_CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=1211293		Issue Tracking
https://nvd.nist.gov/vuln/detail/CVE-2015-3310
https://security.gentoo.org/glsa/201701-50		vendor-advisoryx_refsource_GENTOO
https://www.cve.org/CVERecord?id=CVE-2015-3310