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githubGitHub Advisory DatabaseGHSA-GH8J-2PGF-X458
HistorySep 13, 2021 - 8:05 p.m.

Infinite Loop in rencode

2021-09-1320:05:51
CWE-835
GitHub Advisory Database
github.com
36
rencode
python
infinite loop
typecode decoding
remote attack
cpu
memory

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.004

Percentile

74.7%

JSON

The rencode package through 1.0.6 for Python allows an infinite loop in typecode decoding (such as via ;\x2f\x7f), enabling a remote attack that consumes CPU and memory.

Affected configurations

Vulners
Node
rencode_projectrencodeRange≤1.0.6python
VendorProductVersionCPE
rencode_projectrencode*cpe:2.3:a:rencode_project:rencode:*:*:*:*:*:python:*:*

Related

osv 3
freebsd 1
debiancve 1
veracode 1
openvas 3
mageia 1
ubuntucve 1
fedora 2
cvelist 1
prion 1
nvd 1
alpinelinux 1
cve 1
osv
osv
CVE-2021-40839
2021-09-10 02:15:07
PYSEC-2021-345
2021-09-10 02:15:00
Infinite Loop in rencode
2021-09-13 20:05:51
freebsd
freebsd
py39-rencode -- infinite loop that could lead to Denial of Service
2021-09-09 00:00:00
debiancve
debiancve
CVE-2021-40839
2021-09-10 02:15:07
veracode
veracode
Denial Of Service (DoS)
2022-11-01 15:03:03
openvas
openvas
Fedora: Security Advisory for python-rencode (FEDORA-2022-1033a2718b)
2022-02-15 00:00:00
Fedora: Security Advisory for python-rencode (FEDORA-2022-02340931ec)
2022-02-15 00:00:00
Mageia: Security Advisory (MGASA-2022-0167)
2022-05-19 00:00:00
mageia
mageia
Updated python-rencode packages fix security vulnerability
2022-05-12 13:24:45
ubuntucve
ubuntucve
CVE-2021-40839
2021-09-10 00:00:00
fedora
fedora
[SECURITY] Fedora 34 Update: python-rencode-1.0.6-17.fc34
2022-02-15 01:17:50
[SECURITY] Fedora 35 Update: python-rencode-1.0.6-17.fc35
2022-02-15 01:38:42
cvelist
cvelist
CVE-2021-40839
2021-09-10 01:03:33
prion
prion
Code injection
2021-09-10 02:15:00
nvd
nvd
CVE-2021-40839
2021-09-10 02:15:07
alpinelinux
alpinelinux
CVE-2021-40839
2021-09-10 02:15:07
cve
cve
CVE-2021-40839
2021-09-10 02:15:07

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.004

Percentile

74.7%

JSON
Related for GHSA-GH8J-2PGF-X458
osv3freebsd1debiancve1veracode1openvas3mageia1ubuntucve1fedora2cvelist1prion1nvd1alpinelinux1cve1