Home/CVE/An out-of-bounds read issue was discovered in the HTTP/2 protocol decoder in HAProxy 1.8.x and 1.9.x through 1.9.0 which
CVE

CVE-2018-20615

An out-of-bounds read issue was discovered in the HTTP/2 protocol decoder in HAProxy 1.8.x and 1.9.x through 1.9.0 which

An out-of-bounds read issue was discovered in the HTTP/2 protocol decoder in HAProxy 1.8.x and 1.9.x through 1.9.0 which can result in a crash. The processing of the PRIORITY flag in a HEADERS frame requires 5 extra bytes, and while these bytes are skipped, the total frame length was not re-checked to make sure they were present in the frame.

HIGH · CVSS 7.5 EPSS 0.00143
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-125Out-of-bounds Read
▤

Affected Products & Versions

6
haproxy>= 1.8.0 and <= 1.8.19
haproxyall versions
opensuse leapall versions
canonical ubuntu linuxall versions
redhat openshift container platformall versions
redhat enterprise linuxall versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.0 · cve@mitre.org
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 NVD21 Mar 2019 · 04:00 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

8
suse-csafopenSUSE-SU-2024:10839-1
suse-csafopenSUSE-SU-2019:0166-1
suse-csafSUSE-SU-2019:0232-1
rhsaRHBA-2019:0326Moderate
usnUSN-3858-1
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00018.htmlMailing ListThird Party Advisory
http://www.securityfocus.com/bid/106645Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHBA-2019:0327Third Party Advisory
https://usn.ubuntu.com/3858-1/Third Party Advisory
https://www.mail-archive.com/haproxy%40formilux.org/msg32304.html
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