CVE-2020-16118

2020-07-2918:15:15

Debian Security Bug Tracker

security-tracker.debian.org

gnome balsa

null pointer

dereference

vulnerability

imap

client crash

libbalsa.

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

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

0.001

Percentile

39.7%

JSON

In GNOME Balsa before 2.6.0, a malicious server operator or man in the middle can trigger a NULL pointer dereference and client crash by sending a PREAUTH response to imap_mbox_connect in libbalsa/imap/imap-handle.c.

OSVersionArchitecturePackageVersionFilename
Debian12allbalsa< 2.6.0-1balsa_2.6.0-1_all.deb
Debian11allbalsa< 2.6.0-1balsa_2.6.0-1_all.deb
Debian999allbalsa< 2.6.0-1balsa_2.6.0-1_all.deb