CVE-2019-11478 (GCVE-0-2019-11478)

Vulnerability from cvelistv5 – Published: 2019-06-18 23:34 – Updated: 2024-09-16 23:45
VLAI
Title
SACK can cause extensive memory use via fragmented resend queue
Summary
Jonathan Looney discovered that the TCP retransmission queue implementation in tcp_fragment in the Linux kernel could be fragmented when handling certain TCP Selective Acknowledgment (SACK) sequences. 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 f070ef2ac66716357066b683fb0baf55f8191a2e.
Severity
5.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
URL Tags
https://www.kb.cert.org/vuls/id/905115 third-party-advisoryx_refsource_CERT-VN
https://access.redhat.com/errata/RHSA-2019:1594 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:1602 vendor-advisoryx_refsource_REDHAT
http://www.openwall.com/lists/oss-security/2019/06/28/2 mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2019/07/06/3 mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2019/07/06/4 mailing-listx_refsource_MLIST
https://access.redhat.com/errata/RHSA-2019:1699 vendor-advisoryx_refsource_REDHAT
https://seclists.org/bugtraq/2019/Jul/30 mailing-listx_refsource_BUGTRAQ
http://www.openwall.com/lists/oss-security/2019/10/24/1 mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2019/10/29/3 mailing-listx_refsource_MLIST
https://www.oracle.com/security-alerts/cpujan2020.html x_refsource_MISC
https://www.oracle.com/security-alerts/cpuoct2020.html x_refsource_MISC
https://github.com/Netflix/security-bulletins/blo… x_refsource_MISC
https://wiki.ubuntu.com/SecurityTeam/KnowledgeBas… x_refsource_MISC
https://access.redhat.com/security/vulnerabilitie… x_refsource_MISC
http://packetstormsecurity.com/files/153346/Kerne… x_refsource_MISC
https://kb.pulsesecure.net/articles/Pulse_Securit… x_refsource_CONFIRM
https://www.synology.com/security/advisory/Synolo… x_refsource_CONFIRM
https://security.netapp.com/advisory/ntap-2019062… x_refsource_CONFIRM
https://kc.mcafee.com/corporate/index?page=conten… x_refsource_CONFIRM
http://www.vmware.com/security/advisories/VMSA-20… x_refsource_CONFIRM
https://cert-portal.siemens.com/productcert/pdf/s… x_refsource_CONFIRM
https://www.us-cert.gov/ics/advisories/icsa-19-253-03 x_refsource_MISC
http://packetstormsecurity.com/files/154951/Kerne… x_refsource_MISC
http://www.arubanetworks.com/assets/alert/ARUBA-P… x_refsource_CONFIRM
https://git.kernel.org/pub/scm/linux/kernel/git/d… x_refsource_MISC
https://support.f5.com/csp/article/K26618426 x_refsource_CONFIRM
https://psirt.global.sonicwall.com/vuln-detail/SN… x_refsource_CONFIRM
http://packetstormsecurity.com/files/154408/Kerne… x_refsource_MISC
Impacted products
Vendor Product Version
Linux Linux kernel Affected: 4.4 , < 4.4.182 (custom)
Affected: 4.9 , < 4.9.182 (custom)
Affected: 4.14 , < 4.14.127 (custom)
Affected: 4.19 , < 4.19.52 (custom)
Affected: 5.1 , < 5.1.11 (custom)
Create a notification for this product.
Date Public
2019-06-17 00:00
Credits
Jonathan Looney from Netflix
Show details on NVD website
To clipboard 

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  }
}


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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.