CVE-2020-25583

In FreeBSD 12.2-STABLE before r368250, 11.4-STABLE before r368253, 12.2-RELEASE before p1, 12.1-RELEASE before p11 and 11.4-RELEASE before p5 when processing a DNSSL option, rtsold8 decodes domain name labels per an encoding specified in RFC 1035 in which the first octet of each label contains th...

Buffer overflow

In FreeBSD 12.2-STABLE before r368250, 11.4-STABLE before r368253, 12.2-RELEASE before p1, 12.1-RELEASE before p11 and 11.4-RELEASE before p5 when processing a DNSSL option, rtsold8 decodes domain name labels per an encoding specified in RFC 1035 in which the first octet of each label contains th...

Buffer overflow

In FreeBSD 12.2-STABLE before r368250, 11.4-STABLE before r368253, 12.2-RELEASE before p1, 12.1-RELEASE before p11 and 11.4-RELEASE before p5 rtsold8 does not verify that the RDNSS option does not extend past the end of the received packet before processing its contents. While the kernel currentl...

FreeBSD : FreeBSD -- rtsold(8) remote buffer overflow vulnerability (72ee7111-6007-11e6-a6c3-14dae9d210b8)

Due to a missing length check in the code that handles DNS parameters, a malformed router advertisement message can result in a stack buffer overflow in rtsold8. Impact : Receipt of a router advertisement message with a malformed DNSSL option, for instance from a compromised host on the same...

FreeBSD -- rtsold(8) remote buffer overflow vulnerability

Problem Description: Due to a missing length check in the code that handles DNS parameters, a malformed router advertisement message can result in a stack buffer overflow in rtsold8. Impact: Receipt of a router advertisement message with a malformed DNSSL option, for instance from a compromised...