PRIOn knowledge basePRION:CVE-2019-19330Design/Logic Flaw
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.2 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.016 Low
EPSS
Percentile
86.9%
The HTTP/2 implementation in HAProxy before 2.0.10 mishandles headers, as demonstrated by carriage return (CR, ASCII 0xd), line feed (LF, ASCII 0xa), and the zero character (NUL, ASCII 0x0), aka Intermediary Encapsulation Attacks.
| CPE | Name | Operator | Version |
|---|---|---|---|
| ubuntu_linux | eq | 18.04 | |
| ubuntu_linux | eq | 19.04 | |
| ubuntu_linux | eq | 19.10 | |
| debian_linux | eq | 10.0 | |
| haproxy | lt | 2.0.10 |
References
git.haproxy.org/?p=haproxy-2.0.git;a=commit;h=ac198b92d461515551b95daae20954b3053ce87e
git.haproxy.org/?p=haproxy.git;a=commit;h=146f53ae7e97dbfe496d0445c2802dd0a30b0878
git.haproxy.org/?p=haproxy.git;a=commit;h=54f53ef7ce4102be596130b44c768d1818570344
seclists.org/bugtraq/2019/Nov/45
security.gentoo.org/glsa/202004-01
tools.ietf.org/html/rfc7540
usn.ubuntu.com/4212-1/
www.debian.org/security/2019/dsa-4577
Related
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.2 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.016 Low
EPSS
Percentile
86.9%