Memory leak in GIFLIB - CVE-2021-40633

Vulnerability identifier: #VU87206

CSH Severity: Medium

CVSS v4 BT: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-40633

CWE-ID: CWE-401

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak within the gif2rgb() function in util/gif2rgb.c. A remote attacker can force the application to leak memory and perform denial of service attack.

GIFLIB
PowerStore 9000X
PowerStore 7000X
PowerStore 5000X
PowerStore 1000X
PowerStore 3000X
PowerStoreX OS
Dell Data Protection Central
PowerProtect DP Series Appliance (IDPA)
PowerStore T
EMC Cloud Tiering Appliance
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Software Development Kit 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Manager Proxy
SUSE Manager Retail Branch Server
SUSE Manager Server
SUSE Enterprise Storage
SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS
SUSE Linux Enterprise Server 15 SP2 LTSS
SUSE Linux Enterprise Server 15 SP3 LTSS
SUSE Linux Enterprise Desktop 15 SP4 LTSS
SUSE Linux Enterprise Server 15 SP4 LTSS
Basesystem Module
openSUSE Leap
Ubuntu
openEuler
giflib-tools (Ubuntu package)
giflib-debugsource
libgif6-32bit
libgif6-debuginfo-32bit
libgif6-debuginfo
giflib-progs
giflib-progs-debuginfo
libgif6
giflib-devel
giflib-utils
giflib-debuginfo
giflib-help
giflib
giflib-devel-32bit
libgif7-32bit-debuginfo
libgif7-32bit
libgif7
libgif7-debuginfo

Install updates from vendor's website.

GIFLIB - update to 5.2.2
giflib-tools (Ubuntu package) - addressed in versions Ubuntu Pro, 5.1.9-1ubuntu0.1, 5.1.9-2ubuntu0.1, 5.2.1-2.5ubuntu0.1
PowerStoreX OS - update to 3.2.1.5-2424458
PowerStore T - update to 3.6.1.4-2413340
giflib-debugsource - addressed in versions 5.0.5-13.3.1, 5.2.2-150000.4.13.1
libgif6-32bit - update to 5.0.5-13.3.1
libgif6-debuginfo-32bit - update to 5.0.5-13.3.1
libgif6-debuginfo - update to 5.0.5-13.3.1
giflib-progs - addressed in versions 5.0.5-13.3.1, 5.2.2-150000.4.13.1
giflib-progs-debuginfo - addressed in versions 5.0.5-13.3.1, 5.2.2-150000.4.13.1
libgif6 - update to 5.0.5-13.3.1
giflib-devel - addressed in versions 5.0.5-13.3.1, 5.2.2-150000.4.13.1
giflib-utils - addressed in versions 5.2.1-5, 5.2.1-6, 5.2.1-8
giflib-debuginfo - update to 5.2.1-5
giflib-help - addressed in versions 5.2.1-5, 5.2.1-6, 5.2.1-8
giflib-devel - addressed in versions 5.2.1-5, 5.2.1-6, 5.2.1-8
giflib-debugsource - update to 5.2.1-5
giflib - addressed in versions 5.2.1-5, 5.2.1-6, 5.2.1-8
giflib-devel-32bit - update to 5.2.2-150000.4.13.1
libgif7-32bit-debuginfo - update to 5.2.2-150000.4.13.1
libgif7-32bit - update to 5.2.2-150000.4.13.1
libgif7 - update to 5.2.2-150000.4.13.1
libgif7-debuginfo - update to 5.2.2-150000.4.13.1
EMC Cloud Tiering Appliance - update to 13.2.0.2.29

• https://sourceforge.net/p/giflib/bugs/157/

• Multiple vulnerabilities in giflib
• SUSE update for giflib
• SUSE update for giflib
• openEuler 20.03 LTS SP1 update for giflib
• openEuler 20.03 LTS SP4 update for giflib
• openEuler 22.03 LTS update for giflib
• openEuler 22.03 LTS SP2 update for giflib
• openEuler 22.03 LTS SP3 update for giflib
• openEuler 22.03 LTS SP1 update for giflib
• Ubuntu update for giflib
• Multiple vulnerabilities in Dell Cloud Tiering Appliance
• Multiple vulnerabilities in Dell Data Protection Central
• Multiple vulnerabilities in Dell PowerStore T
• Multiple vulnerabilities in Dell PowerStore X