Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Informations
Name CVE-2019-11477 First vendor Publication 2019-06-18
Vendor Cve Last vendor Modification 2024-02-27

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 7.5
Base Score 7.5 Environmental Score 7.5
impact SubScore 3.6 Temporal Score 7.5
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:C)
Cvss Base Score 7.8 Attack Range Network
Cvss Impact Score 6.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Jonathan Looney discovered that the TCP_SKB_CB(skb)->tcp_gso_segs value was subject to an integer overflow in the Linux kernel when handling TCP Selective Acknowledgments (SACKs). A remote attacker could use this to cause a denial of service. This has been fixed in stable kernel releases 4.4.182, 4.9.182, 4.14.127, 4.19.52, 5.1.11, and is fixed in commit 3b4929f65b0d8249f19a50245cd88ed1a2f78cff.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11477

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-190 Integer Overflow or Wraparound (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 101
Application 89
Application 91
Application 84
Application 110
Application 86
Application 81
Application 80
Application 103
Application 100
Application 104
Application 89
Application 91
Application 3
Application 1
Application 1
Application 1
Application 1
Application 1
Hardware 7
Hardware 6
Os 6
Os 3320
Os 4
Os 2
Os 2
Os 1

Sources (Detail)

Source Url
CERT-VN https://www.kb.cert.org/vuls/id/905115
CONFIRM http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-010.txt
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191225-01-kern...
http://www.vmware.com/security/advisories/VMSA-2019-0010.html
https://cert-portal.siemens.com/productcert/pdf/ssa-462066.pdf
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44193
https://kc.mcafee.com/corporate/index?page=content&id=SB10287
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0006
https://security.netapp.com/advisory/ntap-20190625-0001/
https://support.f5.com/csp/article/K78234183
https://www.synology.com/security/advisory/Synology_SA_19_28
MISC http://packetstormsecurity.com/files/153346/Kernel-Live-Patch-Security-Notice...
http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice...
https://access.redhat.com/security/vulnerabilities/tcpsack
https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=3b49...
https://github.com/Netflix/security-bulletins/blob/master/advisories/third-pa...
https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/SACKPanic
https://www.oracle.com/security-alerts/cpujan2020.html
https://www.oracle.com/security-alerts/cpuoct2020.html
https://www.us-cert.gov/ics/advisories/icsa-19-253-03
MLIST http://www.openwall.com/lists/oss-security/2019/06/20/3
http://www.openwall.com/lists/oss-security/2019/06/28/2
http://www.openwall.com/lists/oss-security/2019/07/06/3
http://www.openwall.com/lists/oss-security/2019/07/06/4
http://www.openwall.com/lists/oss-security/2019/10/24/1
http://www.openwall.com/lists/oss-security/2019/10/29/3
REDHAT https://access.redhat.com/errata/RHSA-2019:1594
https://access.redhat.com/errata/RHSA-2019:1602
https://access.redhat.com/errata/RHSA-2019:1699

Alert History

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