Multiple vulnerabilities in FreeRADIUS
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 10 |
| CVE-ID | CVE-2017-10978 CVE-2017-10979 CVE-2017-10980 CVE-2017-10981 CVE-2017-10982 CVE-2017-10983 CVE-2017-10984 CVE-2017-10985 CVE-2017-10986 CVE-2017-10987 |
| CWE-ID | CWE-119 CWE-401 CWE-125 CWE-787 CWE-835 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
FreeRADIUS Server applications / Directory software, identity management |
| Vendor | FreeRADIUS Server Project |
Security Bulletin
This security bulletin contains information about 10 vulnerabilities.
1) Buffer overflow
EUVDB-ID: #VU7552
Risk: Medium
CVSSv3.1: 7.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-10978
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to boundary error in make_secret() function when processing RADIUS packets. A remote unauthenticated attacker can send a specially crafted RADIUS packet and crash the affected server.
Successful exploitation of this vulnerability may result in denial of service attack.
MitigationUpdate to version 2.2.10 or 3.0.15.
FreeRADIUS: 2.2.0 - 3.0.14
External linkshttp://freeradius.org/security/fuzzer-2017.html#FR-GV-201
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Buffer overflow
EUVDB-ID: #VU7553
Risk: High
CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-10979
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to boundary error when processing RADIUS packets in rad_coalesce() function. A remote unauthenticated attacker can send a specially crafted packet with iverly long WiMAX attribute, trigger buffer overflow and crash the affected server or execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationUpdate to version 2.2.10.
FreeRADIUS: 2.2.0 - 2.2.9
External linkshttp://freeradius.org/security/fuzzer-2017.html#FR-GV-202
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Memory leak
EUVDB-ID: #VU7554
Risk: Low
CVSSv3.1: 6.4 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-10980
CWE-ID:
CWE-401 - Missing release of memory after effective lifetime
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak in decode_tlv() function when processing DHCP packets. A remote attacker on local network can send specially crafted DHCP packets with option 82 and multiple sub-options to vulnerable system and trigger denial of service attack.
MitigationUpdate to version 2.2.10.
FreeRADIUS: 2.2.0 - 2.2.9
External linkshttp://freeradius.org/security/fuzzer-2017.html#FR-GV-203
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
4) Memory leak
EUVDB-ID: #VU7555
Risk: Low
CVSSv3.1: 6.4 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-10981
CWE-ID:
CWE-401 - Missing release of memory after effective lifetime
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak in fr_dhcp_decode() function when processing DHCP packets. A remote attacker on local network can send specially crafted DHCP packets with malicious options to vulnerable system and trigger denial of service attack.
MitigationUpdate to version 2.2.10.
FreeRADIUS: 2.2.0 - 2.2.9
External linkshttp://freeradius.org/security/fuzzer-2017.html#FR-GV-204
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
5) Out-of-bounds read
EUVDB-ID: #VU7556
Risk: Low
CVSSv3.1: 6.4 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-10982
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak in fr_dhcp_decode_options() function when processing DHCP packets. A remote attacker on local network can send specially crafted DHCP packets with malicious options to vulnerable system and trigger denial of service attack.
MitigationUpdate to version 2.2.10.
FreeRADIUS: 2.2.0 - 2.2.9
External linkshttp://freeradius.org/security/fuzzer-2017.html#FR-GV-205
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
6) Out-of-bounds read
EUVDB-ID: #VU7557
Risk: Low
CVSSv3.1: 6.4 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-10983
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak in fr_dhcp_decode() function when processing DHCP packets. A remote attacker on local network can send specially crafted DHCP option 63 with non-zero contents to vulnerable system and trigger denial of service attack.
MitigationUpdate to version 2.2.10.
FreeRADIUS: 2.2.0 - 3.0.14
External linkshttp://freeradius.org/security/fuzzer-2017.html#FR-GV-206
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
7) Out-of-bounds write
EUVDB-ID: #VU7558
Risk: High
CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-10984
CWE-ID:
CWE-787 - Out-of-bounds write
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in data2vp_wimax() function when processing WiMAX attributes with "continuation" flag. A remote attacker can send specially crafted packets to vulnerable RADIUS server, trigger out-of-bounds write and crash the affected application or execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Update to version 3.0.15.
FreeRADIUS: 3.0.0 - 3.0.14
External linkshttp://freeradius.org/security/fuzzer-2017.html#FR-GV-301
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
8) Infinite loop
EUVDB-ID: #VU7559
Risk: Medium
CVSSv3.1: 7.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-10985
CWE-ID:
CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service attack.
The vulnerability exists due to infinite loop when processing specially crafted RADIUS packets. A remote attacker can send 4f 02, 89 02, 90 02, or b4 02 attribute data and perform a denial of service attack.
Successful exploitation of the vulnerability may allow an attacker to exhaust all available memory on the system and render the system unresponsive.
Update to version 3.0.15.
FreeRADIUS: 3.0.0 - 3.0.14
External linkshttp://freeradius.org/security/fuzzer-2017.html#FR-GV-302
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
9) Out-of-bounds read
EUVDB-ID: #VU7560
Risk: Low
CVSSv3.1: 5.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-10986
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service attack.
The vulnerability exists due to infinite out-of-bounds read in dhcp_attr2vp() function when decoding string options in an array. A remote attacker can send a specially crafted DHCP packet to vulnerable radius server and crash the affected application.
Update to version 3.0.15.
FreeRADIUS: 3.0.0 - 3.0.14
External linkshttp://freeradius.org/security/fuzzer-2017.html#FR-GV-303
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
10) Out-of-bounds read
EUVDB-ID: #VU7561
Risk: Low
CVSSv3.1: 5.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-10987
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service attack.
The vulnerability exists due to out-of-bounds read in fr_dhcp_decode_suboptions() function when processing sub-options in DHCP packets. A remote attacker can send a specially crafted DHCP packet to vulnerable radius server and crash the affected application.
Update to version 3.0.15.
FreeRADIUS: 3.0.0 - 3.0.14
External linkshttp://freeradius.org/security/fuzzer-2017.html#FR-GV-304
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
