322 matches found
TrickBot Linux Variants Active in the Wild Despite Recent Takedown
Efforts to disrupt TrickBot may have shut down most of its critical infrastructure, but the operators behind the notorious malware aren't sitting idle. According to new findings shared by cybersecurity firm Netscout, TrickBot's authors have moved portions of their code to Linux in an attempt to...
dnsmasq -- DNS cache poisoning, and DNSSEC buffer overflow, vulnerabilities
Simon Kelley reports: There are broadly two sets of problems. The first is subtle errors in dnsmasq's protections against the chronic weakness of the DNS protocol to cache-poisoning attacks; the Birthday attack, Kaminsky, etc.... the second set of errors is a good old fashioned buffer overflow in...
Amplification Attacks
PowerDNS Recursor is vulnerable toamplification attacks. It does not sufficiently defend against amplification attacks. An issue in the DNS protocol has been found that allow malicious parties to use recursive DNS services to attack third party authoritative name servers. The attack uses a crafte...
Important: Red Hat Security Advisory: bind security update
An update for bind is now available for Red Hat Enterprise Linux 7.7 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for ea...
Ripple20: Multiple Vulnerabilities Identified in Treck TCP/IP Stack
Multiple vulnerabilities that use a low-level TCP/IP software library developed by Treck, Inc. were identified recently in implementations of the Treck IP stack for embedded systems. These vulnerabilities were discovered by the JSOF research lab and have been named Ripple20. Ripple20...
FreeBSD : powerdns-recursor -- multiple vulnerabilities (f9c5a410-9b4e-11ea-ac3f-6805ca2fa271)
PowerDNS Team reports : CVE-2020-10995: An issue in the DNS protocol has been found that allow malicious parties to use recursive DNS services to attack third party authoritative name servers. The attack uses a crafted reply by an authoritative name server to amplify the resulting traffic between...
openSUSE Security Update : pdns-recursor (openSUSE-2020-698)
This update for pdns-recursor fixes the following issues : - update to 4.1.16 - fixes an issue where records in the answer section of a NXDOMAIN response lacking an SOA were not properly validated CVE-2020-12244, boo1171553 - fixes an issue where invalid hostname on the server can result in...
MGASA-2020-0223 Updated pdns-recursor packages fix security vulnerabilities
Updated pdns-recursor packages fix security vulnerabilities: An issue in the DNS protocol has been found that allow malicious parties to use recursive DNS services to attack third party authoritative name servers. The attack uses a crafted reply by an authoritative name server to amplify the...
Updated pdns-recursor packages fix security vulnerabilities
Updated pdns-recursor packages fix security vulnerabilities: An issue in the DNS protocol has been found that allow malicious parties to use recursive DNS services to attack third party authoritative name servers. The attack uses a crafted reply by an authoritative name server to amplify the...
OPENSUSE-SU-2020:0698-1 Security update for pdns-recursor
This update for pdns-recursor fixes the following issues: - update to 4.1.16 fixes an issue where records in the answer section of a NXDOMAIN response lacking an SOA were not properly validated CVE-2020-12244, boo1171553 fixes an issue where invalid hostname on the server can result in disclosure...
Security update for pdns-recursor (moderate)
openSUSE Security Update: Security update for pdns-recursor Announcement ID: openSUSE-SU-2020:0698-1 Rating: moderate References: 1171553 Cross-References: CVE-2020-10030 CVE-2020-10995 CVE-2020-12244 Affected Products: openSUSE Leap 15.1 openSUSE Backports SLE-15-SP1 SUSE Package Hub for SUSE...
New DNS Vulnerability Lets Attackers Launch Large-Scale DDoS Attacks
Israeli cybersecurity researchers have disclosed details about a new flaw impacting DNS protocol that can be exploited to launch amplified, large-scale distributed denial-of-service DDoS attacks to takedown targeted websites. Called NXNSAttack, the flaw hinges on the DNS delegation mechanism to...
CVE-2020-10995
PowerDNS Recursor from 4.1.0 up to and including 4.3.0 does not sufficiently defend against amplification attacks. An issue in the DNS protocol has been found that allow malicious parties to use recursive DNS services to attack third party authoritative name servers. The attack uses a crafted rep...
Design/Logic Flaw
PowerDNS Recursor from 4.1.0 up to and including 4.3.0 does not sufficiently defend against amplification attacks. An issue in the DNS protocol has been found that allow malicious parties to use recursive DNS services to attack third party authoritative name servers. The attack uses a crafted rep...
CVE-2020-10995
PowerDNS Recursor from 4.1.0 up to and including 4.3.0 does not sufficiently defend against amplification attacks. An issue in the DNS protocol has been found that allow malicious parties to use recursive DNS services to attack third party authoritative name servers. The attack uses a crafted rep...
CVE-2020-10995
PowerDNS Recursor from 4.1.0 up to and including 4.3.0 does not sufficiently defend against amplification attacks. An issue in the DNS protocol has been found that allow malicious parties to use recursive DNS services to attack third party authoritative name servers. The attack uses a crafted rep...
CVE-2020-10995
PowerDNS Recursor (PowerDNS Recursor 4.1.0–4.3.0) is affected by CVE-2020-10995. A DNS-protocol issue allows an attacker to use recursive resolvers to amplify traffic toward third-party authoritative name servers, potentially degrading service. Mitigations exist in PowerDNS Recursor 4.1.16, 4.2.2...
[ASA-202005-10] powerdns-recursor: multiple issues
Arch Linux Security Advisory ASA-202005-10 ========================================== Severity: Medium Date : 2020-05-19 CVE-ID : CVE-2020-10995 CVE-2020-12244 Package : powerdns-recursor Type : multiple issues Remote : Yes Link : https://security.archlinux.org/AVG-1163 Summary ======= The packag...
powerdns-recursor -- multiple vulnerabilities
PowerDNS Team reports: CVE-2020-10995: An issue in the DNS protocol has been found that allow malicious parties to use recursive DNS services to attack third party authoritative name servers. The attack uses a crafted reply by an authoritative name server to amplify the resulting traffic between...