ALAS-2017-865


Amazon Linux AMI Security Advisory: ALAS-2017-865
Advisory Release Date: 2017-08-04 00:47 Pacific
Severity: Important

Issue Overview:

Out-of-bounds read in fr_dhcp_decode_options():
An out-of-bounds read flaw was found in the way FreeRADIUS server handles decoding of DHCP packets. A remote attacker could use this flaw to crash the FreeRADIUS server by sending a specially crafted DHCP request. (CVE-2017-10982 )

Out-of-bounds read in fr_dhcp_decode() when decoding option 63:
An out-of-bounds read flaw was found in the way FreeRADIUS server handled decoding of DHCP packets. A remote attacker could use this flaw to crash the FreeRADIUS server by sending a specially crafted DHCP request. (CVE-2017-10983 )

Memory leak in decode_tlv():
A memory leak flaw was found in the way FreeRADIUS server handles decoding of DHCP packets. A remote attacker could use this flaw to cause the FreeRADIUS server to consume an increasing amount of memory resources over time possibly leading to a crash due to memory exhaustion. (CVE-2017-10980 )

Memory leak in fr_dhcp_decode():
A memory leak flaw was found in the way FreeRADIUS server handles decoding of DHCP packets. A remote attacker could use this flaw to cause the FreeRADIUS server to consume an increasing amount of memory resources over time, possibly leading to a crash due to memory exhaustion, by sending specially crafted DHCP packets. (CVE-2017-10981 )

Out-of-bounds write in rad_coalesce():
An out-of-bounds write flaw was found in the way FreeRADIUS server handled certain attributes in request packets. A remote attacker could use this flaw to crash the FreeRADIUS server or to execute arbitrary code in the context of the FreeRADIUS server process by sending a specially crafted request packet. (CVE-2017-10979 )

Out-of-bounds read/write due to improper output buffer size check in make_secret():
An out-of-bounds read and write flaw was found in the way FreeRADIUS server handled RADIUS packets. A remote attacker could use this flaw to crash the FreeRADIUS server by sending a specially crafted RADIUS packet. (CVE-2017-10978 )


Affected Packages:

freeradius


Issue Correction:
Run yum update freeradius to update your system.

New Packages:
i686:
    freeradius-mysql-2.2.6-7.16.amzn1.i686
    freeradius-ldap-2.2.6-7.16.amzn1.i686
    freeradius-krb5-2.2.6-7.16.amzn1.i686
    freeradius-python-2.2.6-7.16.amzn1.i686
    freeradius-unixODBC-2.2.6-7.16.amzn1.i686
    freeradius-postgresql-2.2.6-7.16.amzn1.i686
    freeradius-debuginfo-2.2.6-7.16.amzn1.i686
    freeradius-utils-2.2.6-7.16.amzn1.i686
    freeradius-perl-2.2.6-7.16.amzn1.i686
    freeradius-2.2.6-7.16.amzn1.i686

src:
    freeradius-2.2.6-7.16.amzn1.src

x86_64:
    freeradius-python-2.2.6-7.16.amzn1.x86_64
    freeradius-utils-2.2.6-7.16.amzn1.x86_64
    freeradius-mysql-2.2.6-7.16.amzn1.x86_64
    freeradius-2.2.6-7.16.amzn1.x86_64
    freeradius-debuginfo-2.2.6-7.16.amzn1.x86_64
    freeradius-perl-2.2.6-7.16.amzn1.x86_64
    freeradius-postgresql-2.2.6-7.16.amzn1.x86_64
    freeradius-unixODBC-2.2.6-7.16.amzn1.x86_64
    freeradius-ldap-2.2.6-7.16.amzn1.x86_64
    freeradius-krb5-2.2.6-7.16.amzn1.x86_64