VDB-15466 · CVE-2000-0270 · BID 1125

GNU Emacs up to 20.6 Lisp make-temp-name symlink

CVSS Meta Temp Score
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CTI Interest Score
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4.9$0-$5k0.00

A vulnerability has been found in GNU Emacs up to 20.6 (Word Processing Software) and classified as problematic. This vulnerability affects the function make-temp-name of the component Lisp Handler. The manipulation with an unknown input leads to a symlink vulnerability. The CWE definition for the vulnerability is CWE-61. The product, when opening a file or directory, does not sufficiently account for when the file is a symbolic link that resolves to a target outside of the intended control sphere. This could allow an attacker to cause the product to operate on unauthorized files. As an impact it is known to affect confidentiality, and integrity. CVE summarizes:

The make-temp-name Lisp function in Emacs 20 creates temporary files with predictable names, which allows attackers to conduct a symlink attack.

The weakness was released 04/18/2000 with US-CERT (Website). The advisory is available at securityfocus.com. This vulnerability was named CVE-2000-0270. The exploitation appears to be easy. Local access is required to approach this attack. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.

Upgrading eliminates this vulnerability.

Entries connected to this vulnerability are available at 15465 and 15467.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 4.9

VulDB Base Score: 5.1
VulDB Temp Score: 4.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Symlink
CWE: CWE-61 / CWE-59
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/18/2000 🔍
04/18/2000 +0 days 🔍
04/18/2000 +0 days 🔍
06/24/2014 +5180 days 🔍
05/24/2018 +1430 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: securityfocus.com⛔
Organization: US-CERT
Status: Not defined

CVE: CVE-2000-0270 (🔍)
SecurityFocus: 1125 - GNU Emacs Local Eavesdropping Vulnerabilities

See also: 🔍

Entryinfo

Created: 06/24/2014 11:37
Updated: 05/24/2018 18:17
Changes: 06/24/2014 11:37 (51), 05/24/2018 18:17 (4)
Complete: 🔍

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