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CVE-2021-31154

Date: May 27, 2021

pleaseedit in please before 0.4 uses predictable temporary filenames in /tmp and the target directory. This allows a local attacker to gain full root privileges by staging a symlink attack.

Language: RUST

Severity Score

Related Resources (7)

https://gitlab.com/edneville/please/-/tree/master/src/bin
https://crates.io/crates/pleaser
https://gitlab.com/edneville/please
https://www.openwall.com/lists/oss-security/2021/05/18/1
https://nvd.nist.gov/vuln/detail/CVE-2021-31154
https://rustsec.org/advisories/RUSTSEC-2021-0102.html
https://www.mend.io/vulnerability-database/CVE-2021-31154

Severity Score

Weakness Type (CWE)

Exposure of Resource to Wrong Sphere

CWE-668

Improper Link Resolution Before File Access ('Link Following')

CWE-59

Generation of Predictable Numbers or Identifiers

CWE-340

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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