CVE Vulnerability

CVE-2020-11958

re2c 1.3 has a heap-based buffer overflow in Scanner::fill in parse/scanner.cc via a long lexeme.

6.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

7.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://blogs.gentoo.org/ago/2020/04/19/re2c-heap-overflow-in-scannerfill-scanner-cc/ Third Party Advisory
https://www.openwall.com/lists/oss-security/2020/04/19/1 Mailing List Third Party Advisory
https://github.com/skvadrik/re2c/commit/c4603ba5ce229db83a2a4fb93e6d4b4e3ec3776a Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/04/21/1 Mailing List Third Party Advisory
https://usn.ubuntu.com/4338-1/ Third Party Advisory
https://usn.ubuntu.com/4338-2/ Third Party Advisory
https://security.gentoo.org/glsa/202007-28 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:re2c:re2c:1.3:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
Information

Published : 2020-04-21 01:15

Updated : 2023-01-27 06:38

NVD link : CVE-2020-11958

Mitre link : CVE-2020-11958

Products Affected
No products.
CWE
CWE-787