7.5 High
CVSS2
Attack Vector
NETWORK
Attack 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
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
9.6 High
AI Score
Confidence
High
0.01 Low
EPSS
Percentile
83.6%
Issue Overview:
In Twisted Web through 19.10.0, there was an HTTP request splitting vulnerability. When presented with a content-length and a chunked encoding header, the content-length took precedence and the remainder of the request body was interpreted as a pipelined request. (CVE-2020-10109)
In Twisted Web through 19.10.0, there was an HTTP request splitting vulnerability. When presented with two content-length headers, it ignored the first header. When the second content-length value was set to zero, the request body was interpreted as a pipelined request. (CVE-2020-10108)
Affected Packages:
python-twisted-web
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update python-twisted-web to update your system.
New Packages:
aarch64:
python-twisted-web-12.1.0-7.amzn2.aarch64
i686:
python-twisted-web-12.1.0-7.amzn2.i686
src:
python-twisted-web-12.1.0-7.amzn2.src
x86_64:
python-twisted-web-12.1.0-7.amzn2.x86_64
Red Hat: CVE-2020-10108, CVE-2020-10109
Mitre: CVE-2020-10108, CVE-2020-10109
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Amazon Linux | 2 | aarch64 | python-twisted-web | < 12.1.0-7.amzn2 | python-twisted-web-12.1.0-7.amzn2.aarch64.rpm |
Amazon Linux | 2 | i686 | python-twisted-web | < 12.1.0-7.amzn2 | python-twisted-web-12.1.0-7.amzn2.i686.rpm |
Amazon Linux | 2 | x86_64 | python-twisted-web | < 12.1.0-7.amzn2 | python-twisted-web-12.1.0-7.amzn2.x86_64.rpm |
7.5 High
CVSS2
Attack Vector
NETWORK
Attack 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
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
9.6 High
AI Score
Confidence
High
0.01 Low
EPSS
Percentile
83.6%