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archlinuxArchLinuxASA-202012-11
HistoryDec 05, 2020 - 12:00 a.m.

[ASA-202012-11] libproxy-mozjs: denial of service

2020-12-0500:00:00
security.archlinux.org
125

5 Medium

CVSS2

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

7.5 High

CVSS3

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

0.004 Low

EPSS

Percentile

73.5%

JSON

Arch Linux Security Advisory ASA-202012-11

Severity: Low
Date : 2020-12-05
CVE-ID : CVE-2020-25219
Package : libproxy-mozjs
Type : denial of service
Remote : Yes
Link : https://security.archlinux.org/AVG-1226

Summary

The package libproxy-mozjs before version 0.4.16-1 is vulnerable to
denial of service.

Resolution

Upgrade to 0.4.16-1.

pacman -Syu “libproxy-mozjs>=0.4.16-1”

The problem has been fixed upstream in version 0.4.16.

Workaround

None.

Description

url::recvline in url.cpp in libproxy 0.4.x through 0.4.15 allows a
remote HTTP PAC server to trigger uncontrolled recursion via a response
composed of an infinite stream that lacks a newline character. This
leads to stack exhaustion.

Impact

A remote HTTP PAC server might be able to crash an application via a
crafted response.

References

https://github.com/libproxy/libproxy/issues/134
https://github.com/libproxy/libproxy/pull/136
https://github.com/libproxy/libproxy/commit/a83dae404feac517695c23ff43ce1e116e2bfbe0
https://security.archlinux.org/CVE-2020-25219

OSVersionArchitecturePackageVersionFilename
ArchLinuxanyanylibproxy-mozjs< 0.4.16-1UNKNOWN

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5 Medium

CVSS2

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

7.5 High

CVSS3

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

0.004 Low

EPSS

Percentile

73.5%

JSON
Related for ASA-202012-11
debian3nessus20fedora3redhatcve1openvas20cvelist1ubuntucve1alpinelinux1mageia1cbl_mariner2nvd1cve1ubuntu1archlinux2prion1cloudfoundry1veracode1osv4debiancve1suse2rosalinux1ibm1