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CVE

CVE-2017-2634

It was found that the Linux kernel's Datagram Congestion Control Protocol (DCCP) implementation before 2.6.22.17 used th

It was found that the Linux kernel's Datagram Congestion Control Protocol (DCCP) implementation before 2.6.22.17 used the IPv4-only inet_sk_rebuild_header() function for both IPv4 and IPv6 DCCP connections, which could result in memory corruptions. A remote attacker could use this flaw to crash the system.

HIGH · CVSS 7.5 EPSS 0.03662
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-476NULL Pointer Dereference
▤

Affected Products & Versions

5
linux kernel< 2.6.22.17
redhat enterprise linux desktopall versions
redhat enterprise linux serverall versions
redhat enterprise linux server ausall versions
redhat enterprise linux workstationall versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.0 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD27 Jul 2018 · 07:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

3
rhsaRHSA-2017:0346Moderate
rhsaRHSA-2017:0323Moderate
rhsaRHSA-2017:0347Moderate
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://rhn.redhat.com/errata/RHSA-2017-0323.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0346.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0347.htmlThird Party Advisory
http://www.securityfocus.com/bid/96529Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1037909Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2634Issue TrackingPatchThird Party Advisory
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