Vulnerability Name: | CVE-2020-23856 (CCN-202162) | ||||||||||||
Assigned: | 2020-07-09 | ||||||||||||
Published: | 2020-07-09 | ||||||||||||
Updated: | 2022-01-01 | ||||||||||||
Summary: | Use-after-Free vulnerability in cflow 1.6 in the void call(char *name, int line) function at src/parser.c, which could cause a denial of service via the pointer variable caller->callee. | ||||||||||||
CVSS v3 Severity: | 5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H) 4.9 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:R)
3.5 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:U/RC:R)
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CVSS v2 Severity: | 2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P)
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Vulnerability Type: | CWE-416 | ||||||||||||
Vulnerability Consequences: | Denial of Service | ||||||||||||
References: | Source: MITRE Type: CNA CVE-2020-23856 Source: XF Type: UNKNOWN cflow-cve202023856-dos(202162) Source: MISC Type: Exploit, Third Party Advisory https://github.com/yangjiageng/PoC/blob/master/PoC_cflow_uaf_parser_line1284 Source: FEDORA Type: Mailing List, Third Party Advisory FEDORA-2021-6ef76430d0 Source: FEDORA Type: Mailing List, Third Party Advisory FEDORA-2021-e8cab459ab Source: CCN Type: GNU Mailing List, Thu, 9 Jul 2020 10:33:22 +0800 flow 1.6 void call(char name, int line) function Use-after-Free vuln Source: MISC Type: Exploit, Mailing List, Vendor Advisory https://lists.gnu.org/archive/html/bug-cflow/2020-07/msg00000.html | ||||||||||||
Vulnerable Configuration: | Configuration 1: Configuration 2: Configuration CCN 1: ![]() | ||||||||||||
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