Home/CVE/process_http_response in OpenConnect before 8.05 has a Buffer Overflow when a malicious server uses HTTP chunked encodin
CVE

CVE-2019-16239

process_http_response in OpenConnect before 8.05 has a Buffer Overflow when a malicious server uses HTTP chunked encodin

process_http_response in OpenConnect before 8.05 has a Buffer Overflow when a malicious server uses HTTP chunked encoding with crafted chunk sizes.

CRITICAL · CVSS 9.8 EPSS 0.08525
Schedule remediation
  • EPSS percentile: top 7% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
▤

Affected Products & Versions

5
infradead openconnect< 8.05
fedoraproject fedoraall versions
debian linuxall versions
canonical ubuntu linuxall versions
opensuse leapall versions
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · 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 NVD17 Sep 2019 · 12:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

8
suse-csafopenSUSE-SU-2024:13322-1
suse-csafSUSE-SU-2024:0317-1
usnUSN-4565-1
suse-csafSUSE-SU-2019:2744-2
suse-csafopenSUSE-SU-2019:2385-1
🔗

References & Sources

11
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.infradead.org/pipermail/openconnect-devel/2019-September/005412.htmlBroken Link
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00060.htmlMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00061.htmlMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/10/msg00003.htmlMailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FX56KYWC7X4ETV4P6HGJC7GZUEBITBBS/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HDMZGNBLZZKAGBI2PNXYWWKLD2LXKFH6/
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