Vulnerability Name:

CVE-2020-15690 (CCN-195991)

Assigned:2020-07-02
Published:2020-07-02
Updated:2021-02-09
Summary:In Nim before 1.2.6, the standard library asyncftpclient lacks a check for whether a message contains a newline character.
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.3 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
6.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
7.5 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-74
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2020-15690

Source: MLIST
Type: Exploit, Mailing List, Third Party Advisory
[oss-security] 20210204 [CVE-2020-15690] Nim - stdlib asyncftpd - Crlf Injection

Source: MISC
Type: Exploit, Third Party Advisory
https://consensys.net/diligence/vulnerabilities/nim-asyncftpd-crlf-injection/

Source: XF
Type: UNKNOWN
nim-cve202015690-weak-security(195991)

Source: CCN
Type: Nim GIT Repository
Nim

Source: MISC
Type: Exploit, Third Party Advisory
https://github.com/nim-lang/Nim/blob/dc5a40f3f39c6ea672e6dc6aca7f8118a69dda99/lib/pure/asyncftpclient.nim#L145

Source: CONFIRM
Type: Patch, Third Party Advisory
https://github.com/nim-lang/Nim/compare/v1.2.4...v1.2.6

Source: MISC
Type: Exploit, Third Party Advisory
https://github.com/tintinweb/pub/tree/master/pocs/cve-2020-15690

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2020-15690

Vulnerable Configuration:Configuration 1:
  • cpe:/a:nim-lang:nim:*:*:*:*:*:*:*:* (Version < 1.2.6)

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:428
    P
    Security update for nim (Important)
    2022-08-27
    BACK
    nim-lang nim *