CVE-2020-13987

CVE-2020-13987 affects Contiki up to version 3.0, with an Out-of-Bounds Read in the uIP TCP/IP Stack’s IP checksum calculation (upper_layer_chksum in net/ipv4/uip.c). According to the provided data, the impact is listed as HIGH (CVSSv3.1: 7.5) with network attack vector and no authentication, and...

CVE-2020-13987

An issue was discovered in Contiki through 3.0. An Out-of-Bounds Read vulnerability exists in the uIP TCP/IP Stack component when calculating the checksums for IP packets in upperlayerchksum in net/ipv4/uip.c...

CVE-2020-13986

CVE-2020-13986 affects Contiki (through v3.0) with an infinite loop in the uIP TCP/IP stack when processing IPv6 RPL extension headers in net/rpl/rpl-ext-header.c (rpl_remove_header). This is a memory/loop vulnerability in the uIP stack used by Contiki and related ports (e.g., Contiki-NG, PicoTCP...

CVE-2020-13986

An issue was discovered in Contiki through 3.0. An infinite loop exists in the uIP TCP/IP stack component when handling RPL extension headers of IPv6 network packets in rplremoveheader in net/rpl/rpl-ext-header.c...

CVE-2020-13985

An issue was discovered in Contiki through 3.0. A memory corruption vulnerability exists in the uIP TCP/IP stack component when handling RPL extension headers of IPv6 network packets in rplremoveheader in net/rpl/rpl-ext-header.c...

CVE-2020-13985

CVE-2020-13985 (AMNESIA:33) targets Contiki/Contiki-NG uIP stack: memory corruption via improper handling of IPv6 RPL extension headers in rpl_remove_header. Affected stack variants include Contiki 3.0 and prior, uIP-based implementations, and related TCP/IP stacks (e.g., picoTCP/N G, FNET, Nut/N...

CVE-2020-13984

CVE-2020-13984 : Contiki’s embedded uIP/IPv6 stack (Contiki 3.0 and earlier; uIP 1.0/Contiki-OS; Contiki-NG 4.5 and earlier) contains an infinite loop in the extension-header processing function ext_hdr_options_process in net/ipv6/uip6.c when handling IPv6 extension headers. The root cause is unc...

CVE-2020-13984

An issue was discovered in Contiki through 3.0. An infinite loop exists in the uIP TCP/IP stack component when processing IPv6 extension headers in exthdroptionsprocess in net/ipv6/uip6.c...

CVE-2020-13987

An issue was discovered in Contiki through 3.0. An Out-of-Bounds Read vulnerability exists in the uIP TCP/IP Stack component when calculating the checksums for IP packets in upperlayerchksum in net/ipv4/uip.c...

CVE-2020-13988

An issue was discovered in Contiki through 3.0. An Integer Overflow exists in the uIP TCP/IP Stack component when parsing TCP MSS options of IPv4 network packets in uipprocess in net/ipv4/uip.c...

Amnesia:33 — Critical TCP/IP Flaws Affect Millions of IoT Devices

Cybersecurity researchers disclosed a dozen new flaws in multiple widely-used embedded TCP/IP stacks impacting millions of devices ranging from networking equipment and medical devices to industrial control systems that could be exploited by an attacker to take control of a vulnerable system...

[ASA-202012-16] hostapd: proxy injection

Arch Linux Security Advisory ASA-202012-16 ========================================== Severity: Medium Date : 2020-12-09 CVE-ID : CVE-2020-12695 Package : hostapd Type : proxy injection Remote : Yes Link : https://security.archlinux.org/AVG-1322 Summary ======= The package hostapd before version...

'Amnesia:33' TCP/IP Flaws Affect Millions of IoT Devices

Researchers – as well as the U.S. Cybersecurity Infrastructure Security Agency CISA – are warning of a set of serious vulnerabilities affecting TCP/IP stacks. The flaws impact millions of internet-of-things IoT devices and embedded systems, including smart thermometers, smart plugs and printers...

Amnesia:33

Amnesia:33 is a group of 33 vulnerabilities in open-source TCP/IP stack libraries. The vulnerabilities may be present in a wide range of operational technology, IoT, and connected device implementations. Recent assessments: ccondon-r7 at December 08, 2020 9:05pm UTC reported: Sorta relying here o...

CERT/CC Releases Information on Vulnerabilities Affecting Open-Source TCP/IP Stacks

The CERT Coordination Center CERT/CC has released information on 33 vulnerabilities, known as AMNESIA:33, affecting multiple embedded open-source Transmission Control Protocol/Internet Protocol TCP/IP stacks. A remote attacker could exploit some of these vulnerabilities to take control of an...

Vulnerabilities in multiple TCP/IP stacks

Researchers at Forescout Research Labs have found 33 vulnerabilities found in four open source TCP/IP stacks. In the research called AMNESIA:33, four vulnerabilities are identified as critical. The highest assigned CVSS score is 9.8. The vulnerabilities allow a malicious party to carry out attack...

Siemens Embedded TCP/IP Stack Vulnerabilities-AMNESIA:33 (Update C)

1. EXECUTIVE SUMMARY CVSS v3 6.5 ATTENTION: Exploitable remotely/low attack complexity Vendor: Siemens Equipment: ENTRON 3VA COM100/800, SENTRON 3VA DSP800, SENTRON PAC2200, SENTRON PAC3200T, SENTRON PAC3200, SENTRON PAC4200, SIRIUS 3RW5 Vulnerability: Integer Overflow 2. UPDATE INFORMATION This...

Contiki OS 缓冲区错误漏洞

Contiki is an open source, highly portable, networked multitasking operating system for memory-constrained systems. An out-of-bounds read vulnerability exists in the upperlayerchksum in net/ipv4/uip.c in the uIP TCP/IP Stack component of Contiki when calculating the checksum of an IP packet. An...

Embedded TCP/IP stacks have memory corruption vulnerabilities

Overview Multiple open-source embedded TCP/IP stacks, commonly used in Internet of Things IoT and embedded devices, have several vulnerabilities stemming from improper memory management. These vulnerabilities are also tracked as ICS-VU-633937 and JVNVU96491057 as well as the name AMNESIA:33...

Multiple Embedded TCP/IP Stacks

1. EXECUTIVE SUMMARY CVSS v3 9.8 ATTENTION: Exploitable remotely/low skill level to exploit Vendor: Multiple open source Equipment: uIP-Contiki-OS, uIP-Contiki-NG, uIP, open-iscsi, picoTCP-NG, picoTCP, FNET, Nut/Net Vulnerabilities: Infinite Loop, Integer Wraparound, Out-of-bounds Read, Integer...