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Github Security Blog
Github Security Blog
•added 2021/08/25 8:45 p.m.•47 views

Counter overflow in chacha20

An issue was discovered in the chacha20 crate before 0.2.3 for Rust. A ChaCha20 counter overflow makes it easier for attackers to determine plaintext...

7.5CVSS4.4AI score0.01325EPSS
SaveExploits0References4Affected Software1
RedHat Linux
RedHat Linux
•added 2021/01/20 4:54 p.m.•14 views

golang.org/x/crypto: Keystream loop in amd64 assembly when overflowing 32-bit counter

An issue was discovered in the supplementary Go cryptography library, golang.org/x/crypto, before v0.0.0-20190320223903-b7391e95e576. A flaw was found in the amd64 implementation of the golang.org/x/crypto/salsa20 and golang.org/x/crypto/salsa20/salsa packages. If more than 256 GiB of keystream i...

5.9CVSS7.3AI score0.03465EPSS
SaveExploits0References5
OSV
OSV
•added 2020/12/31 10:15 a.m.•12 views

CVE-2019-25005

An issue was discovered in the chacha20 crate before 0.2.3 for Rust. A ChaCha20 counter overflow makes it easier for attackers to determine plaintext...

7.5CVSS7.1AI score0.01325EPSS
SaveExploits0References1
Prion
Prion
•added 2020/12/31 10:15 a.m.•24 views

Design/Logic Flaw

An issue was discovered in the chacha20 crate before 0.2.3 for Rust. A ChaCha20 counter overflow makes it easier for attackers to determine plaintext...

5CVSS7.5AI score0.01325EPSS
SaveExploits0References1Affected Software1
Cvelist
Cvelist
•added 2020/12/31 8:32 a.m.•32 views

CVE-2019-25005

An issue was discovered in the chacha20 crate before 0.2.3 for Rust. A ChaCha20 counter overflow makes it easier for attackers to determine plaintext...

7.5AI score0.01325EPSS
SaveExploits0References1
RedHat Linux
RedHat Linux
•added 2020/05/06 1:55 p.m.•13 views

squid: improper access restriction upon Digest Authentication nonce replay could lead to remote code execution

A flaw was found in Squid, where a remote attacker can replay a sniffed Digest Authentication nonce to gain access to resources that are otherwise forbidden. This issue occurs because the attacker can overflow the nonce reference counter, which results in remote code execution if the pooled token...

9.8CVSS6.4AI score0.27246EPSS
SaveExploits0References5
RedHat Linux
RedHat Linux
•added 2020/05/06 12:16 p.m.•15 views

squid: improper access restriction upon Digest Authentication nonce replay could lead to remote code execution

A flaw was found in Squid, where a remote attacker can replay a sniffed Digest Authentication nonce to gain access to resources that are otherwise forbidden. This issue occurs because the attacker can overflow the nonce reference counter, which results in remote code execution if the pooled token...

9.8CVSS6.4AI score0.27246EPSS
SaveExploits0References5
OSV
OSV
•added 2020/04/23 3:15 p.m.•7 views

DEBIAN-CVE-2020-11945

An issue was discovered in Squid before 5.0.2. A remote attacker can replay a sniffed Digest Authentication nonce to gain access to resources that are otherwise forbidden. This occurs because the attacker can overflow the nonce reference counter a short integer. Remote code execution may occur if...

9.8CVSS7.5AI score0.27246EPSS
SaveExploits0References1
OSV
OSV
•added 2019/10/22 12:00 p.m.•58 views

RUSTSEC-2019-0029 ChaCha20 counter overflow can expose repetitions in the keystream

The ChaCha20 stream cipher can produce a maximum of 2^32 blocks 256GB before the 32-bit counter overflows. Releases of the chacha20 crate prior to v0.2.3 allow generating keystreams larger than this, including seeking past the limit. When this occurs, the keystream is duplicated, with failure mod...

7.5CVSS7.4AI score0.01325EPSS
SaveExploits0References3
RustSec
RustSec
•added 2019/10/22 12:00 p.m.•40 views

ChaCha20 counter overflow can expose repetitions in the keystream

The ChaCha20 stream cipher can produce a maximum of 2^32 blocks 256GB before the 32-bit counter overflows. Releases of the chacha20 crate prior to v0.2.3 allow generating keystreams larger than this, including seeking past the limit. When this occurs, the keystream is duplicated, with failure mod...

7.5CVSS1.7AI score0.01325EPSS
SaveExploits0Affected Software1
Rapid7 Vulnerability Database (full)
Rapid7 Vulnerability Database (full)
•added 2019/07/26 12:00 a.m.•2 views

CVE-2019-5603: Improper Resource Shutdown or Release

In FreeBSD 12.0-STABLE before r350261, 12.0-RELEASE before 12.0-RELEASE-p8, 11.3-STABLE before r350263, 11.3-RELEASE before 11.3-RELEASE-p1, and 11.2-RELEASE before 11.2-RELEASE-p12, system calls operating on file descriptors as part of mqueuefs did not properly release the reference allowing a...

7.8CVSS5.9AI score0.00623EPSS
SaveExploits0References2
NVD
NVD
•added 2019/01/16 8:29 p.m.•26 views

CVE-2018-5733

A malicious client which is allowed to send very large amounts of traffic billions of packets to a DHCP server can eventually overflow a 32-bit reference counter, potentially causing dhcpd to crash. Affects ISC DHCP 4.1.0 - 4.1-ESV-R15, 4.2.0 - 4.2.8, 4.3.0 - 4.3.6, 4.4.0...

7.5CVSS6.6AI score0.20242EPSS
SaveExploits0References10
OSV
OSV
•added 2019/01/16 8:29 p.m.•5 views

ALPINE-CVE-2018-5733

A malicious client which is allowed to send very large amounts of traffic billions of packets to a DHCP server can eventually overflow a 32-bit reference counter, potentially causing dhcpd to crash. Affects ISC DHCP 4.1.0 - 4.1-ESV-R15, 4.2.0 - 4.2.8, 4.3.0 - 4.3.6, 4.4.0...

7.5CVSS7AI score0.20242EPSS
SaveExploits0References1
BDU FSTEC
BDU FSTEC
•added 2018/03/06 12:00 a.m.•13 views

The vulnerability of the DHCP server dhcpd arises from the possibility of overflowing the 32-bit link counter, which can lead to a failure in server operation.

The vulnerability of the DHCP server dhcpd arises from the possibility of overflowing the 32-bit link counter. Exploiting this vulnerability allows a malicious actor, operating remotely, to cause the server to fail by sending a large number of specially crafted DCHP requests...

7.5CVSS7.1AI score0.20242EPSS
SaveExploits0References11Affected Software5
OSV
OSV
•added 2018/03/01 12:00 a.m.•10 views

UBUNTU-CVE-2018-5733

A malicious client which is allowed to send very large amounts of traffic billions of packets to a DHCP server can eventually overflow a 32-bit reference counter, potentially causing dhcpd to crash. Affects ISC DHCP 4.1.0 - 4.1-ESV-R15, 4.2.0 - 4.2.8, 4.3.0 - 4.3.6, 4.4.0...

7.5CVSS7AI score0.20242EPSS
SaveExploits0References5
CNVD
CNVD
•added 2018/03/01 12:00 a.m.•9 views

ISC DHCP Reference Counter Overflow Vulnerability

ISC DHCP is an open source software implementation of the Dynamic Host Configuration Protocol used to connect to IP networks. A reference counter overflow vulnerability exists in ISC DHCP. A remote user can trigger a reference counter overflow by sending a large amount of data to the target serve...

7.5CVSS7AI score0.20242EPSS
SaveExploits0References1
Positive Technologies
Positive Technologies
•added 2018/02/09 12:00 a.m.•5 views

PT-2018-1049 · Isc +5 · Isc Dhcp +5

Name of the Vulnerable Software and Affected Versions: ISC DHCP versions 4.1.0 through 4.1-ESV-R15 ISC DHCP versions 4.2.0 through 4.2.8 ISC DHCP versions 4.3.0 through 4.3.6 ISC DHCP versions 4.4.0 Description: The issue is caused by the potential overflow of a 32-bit reference counter when a...

7.5CVSS6.7AI score0.73622EPSS
SaveExploits2References78
OpenVAS
OpenVAS
•added 2012/07/09 12:00 a.m.•48 views

RedHat Update for kernel RHSA-2011:1350-01

Check for the Version of kernel OpenVAS Vulnerability Test RedHat Update for kernel RHSA-2011:1350-01 Authors: System Generated Check Copyright: Copyright c 2012 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modify it under the ter...

6.9CVSS0.8AI score0.01106EPSS
SaveExploits9References2
Check Point Advisories
Check Point Advisories
•added 2011/12/06 12:00 a.m.•32 views

Microsoft Windows TCP/IP Stack Reference Counter Overflow (MS11-083; CVE-2011-2013)

A remote code execution vulnerability has been reported in Microsoft Windows TCP/IP stack...

10CVSS7.3AI score0.32335EPSS
SaveExploits2
Prion
Prion
•added 2011/11/08 9:55 p.m.•28 views

Integer overflow

Integer overflow in the TCP/IP implementation in Microsoft Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows remote attackers to execute arbitrary code by sending a sequence of crafted UDP packets to a closed port, aka "Reference Counter Overflow...

10CVSS8.3AI score0.32335EPSS
SaveExploits2References3Affected Software2
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