AmazonALAS-2023-2344Medium: re2c
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
9.8 High
AI Score
Confidence
High
0.002 Low
EPSS
Percentile
61.8%
Issue Overview:
A stack overflow re2c 2.2 exists due to infinite recursion issues in src/dfa/dead_rules.cc. (CVE-2022-23901)
Affected Packages:
re2c
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 re2c to update your system.
New Packages:
aarch64:
re2c-3.1-2.amzn2.0.1.aarch64
re2c-debuginfo-3.1-2.amzn2.0.1.aarch64
i686:
re2c-3.1-2.amzn2.0.1.i686
re2c-debuginfo-3.1-2.amzn2.0.1.i686
src:
re2c-3.1-2.amzn2.0.1.src
x86_64:
re2c-3.1-2.amzn2.0.1.x86_64
re2c-debuginfo-3.1-2.amzn2.0.1.x86_64
Additional References
Red Hat: CVE-2022-23901
Mitre: CVE-2022-23901
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Amazon Linux | 2 | aarch64 | re2c | < 3.1-2.amzn2.0.1 | re2c-3.1-2.amzn2.0.1.aarch64.rpm |
| Amazon Linux | 2 | aarch64 | re2c-debuginfo | < 3.1-2.amzn2.0.1 | re2c-debuginfo-3.1-2.amzn2.0.1.aarch64.rpm |
| Amazon Linux | 2 | i686 | re2c | < 3.1-2.amzn2.0.1 | re2c-3.1-2.amzn2.0.1.i686.rpm |
| Amazon Linux | 2 | i686 | re2c-debuginfo | < 3.1-2.amzn2.0.1 | re2c-debuginfo-3.1-2.amzn2.0.1.i686.rpm |
| Amazon Linux | 2 | x86_64 | re2c | < 3.1-2.amzn2.0.1 | re2c-3.1-2.amzn2.0.1.x86_64.rpm |
| Amazon Linux | 2 | x86_64 | re2c-debuginfo | < 3.1-2.amzn2.0.1 | re2c-debuginfo-3.1-2.amzn2.0.1.x86_64.rpm |
Related
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
9.8 High
AI Score
Confidence
High
0.002 Low
EPSS
Percentile
61.8%