CVE-2020-15694

Upstream information

CVE-2020-15694 at MITRE

Description

In Nim 1.2.4, the standard library httpClient fails to properly validate the server response. For example, httpClient.get().contentLength() does not raise any error if a malicious server provides a negative Content-Length.

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SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having critical severity.

CVSS v2 Scores

CVSS detail	National Vulnerability Database
Base Score	5
Vector	AV:N/AC:L/Au:N/C:N/I:P/A:N
Access Vector	Network
Access Complexity	Low
Authentication	None
Confidentiality Impact	None
Integrity Impact	Partial
Availability Impact	None

CVSS v3 Scores

CVSS detail	National Vulnerability Database
Base Score	7.5
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality Impact	None
Integrity Impact	High
Availability Impact	None
CVSSv3 Version	3.1

SUSE Bugzilla entry: 1175332 [IN_PROGRESS]

SUSE Security Advisories:

• openSUSE-SU-2022:10095-1, published Wed Aug 24 10:48:30 2022
• openSUSE-SU-2022:10101-1, published Sat Aug 27 18:50:23 2022

List of released packages

Product(s)	Fixed package version(s)	References
SUSE Package Hub 15 SP3	nim >= 1.6.6-bp153.2.3.1	Patchnames: openSUSE-2022-10095
SUSE Package Hub 15 SP4	nim >= 1.6.6-bp154.2.3.1	Patchnames: openSUSE-2022-10101
openSUSE Leap 15.3	nim >= 1.6.6-bp153.2.3.1	Patchnames: openSUSE-2022-10095
openSUSE Leap 15.4	nim >= 1.6.6-bp154.2.3.1	Patchnames: openSUSE-2022-10101
openSUSE Tumbleweed	nim >= 1.6.6-3.1	Patchnames: openSUSE-Tumbleweed-2024-12253

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SUSE Timeline for this CVE

CVE page created: Sat Aug 15 01:26:42 2020
CVE page last modified: Mon Oct 6 19:26:03 2025