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CVE-2019-16239

Good to know:

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Date: September 17, 2019

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

Language: C

Severity Score

Related Resources (18)

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WI7ZENFAWCHF2RU4NHPL2CU4WGZ4BNDJ/
https://seclists.org/bugtraq/2020/Jan/31
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FX56KYWC7X4ETV4P6HGJC7GZUEBITBBS/
https://nvd.nist.gov/vuln/detail/CVE-2019-16239
https://lists.debian.org/debian-lts-announce/2019/10/msg00003.html
https://t2.fi/schedule/2019/
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00061.html
https://security-tracker.debian.org/tracker/CVE-2019-16239
http://lists.infradead.org/pipermail/openconnect-devel/2019-September/005412.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FX56KYWC7X4ETV4P6HGJC7GZUEBITBBS/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WI7ZENFAWCHF2RU4NHPL2CU4WGZ4BNDJ/
https://www.debian.org/security/2020/dsa-4607
https://usn.ubuntu.com/4565-1/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HDMZGNBLZZKAGBI2PNXYWWKLD2LXKFH6/
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-16239
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HDMZGNBLZZKAGBI2PNXYWWKLD2LXKFH6/
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00060.html
https://www.mend.io/vulnerability-database/CVE-2019-16239

Severity Score

Weakness Type (CWE)

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CWE-120

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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