TI-2012-05020 Aliases CVE-2012-6056 GHSA-xg25-46f7-mw38

Integer overflow in the dissect_sack_chunk function in epan/dissectors/packet-sctp.c in…

LOW 28CWE-189Published 2012-12-05 · Updated 2024-08-06

Key facts

Attack vector: Network
Privileges required: None
User interaction: — Not recorded in CVSS 2.0
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · Partial
Fix status: Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-189 and the CVSS impact.

Summary

Integer overflow in the dissect_sack_chunk function in epan/dissectors/packet-sctp.c in the SCTP dissector in Wireshark 1.8.x before 1.8.4 allows remote attackers to cause a denial of service (infinite loop) via a crafted Duplicate TSN count.

Why it matters now

EPSS 0.02662 85th percentileScored 2026-11-07

Fix Fixed Red Hat: 2 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPE	Versions	Role	Vendor
cpe:2.3:a:wireshark:wireshark:1.8.0:::::::*	1.8.0	Vulnerable	Wireshark Foundation
cpe:2.3:a:wireshark:wireshark:1.8.1:::::::*	1.8.1	Vulnerable	Wireshark Foundation
cpe:2.3:a:wireshark:wireshark:1.8.2:::::::*	1.8.2	Vulnerable	Wireshark Foundation
cpe:2.3:a:wireshark:wireshark:1.8.3:::::::*	1.8.3	Vulnerable	Wireshark Foundation

cpe:2.3:a:wireshark:wireshark:1.8.0:*:*:*:*:*:*:* Versions 1.8.0 Vulnerable ·Wireshark Foundation
cpe:2.3:a:wireshark:wireshark:1.8.1:*:*:*:*:*:*:* Versions 1.8.1 Vulnerable ·Wireshark Foundation
cpe:2.3:a:wireshark:wireshark:1.8.2:*:*:*:*:*:*:* Versions 1.8.2 Vulnerable ·Wireshark Foundation
cpe:2.3:a:wireshark:wireshark:1.8.3:*:*:*:*:*:*:* Versions 1.8.3 Vulnerable ·Wireshark Foundation

Remediation

Red Hat 2 advisories

RHSA-2014:0341 Released 2014-03-31 · Red Hat rating Moderate
wireshark security update
- Red Hat Enterprise Linux (v. 5 server) wireshark-1.0.15-6.el5_10, wireshark-1.0.15-6.el5_10.i386, wireshark-1.0.15-6.el5_10.ia64 +5
- Red Hat Enterprise Linux Desktop (v. 5 client) wireshark-1.0.15-6.el5_10, wireshark-1.0.15-6.el5_10.i386
- Red Hat Enterprise Linux Desktop Workstation (v. 5 client) wireshark-1.0.15-6.el5_10, wireshark-gnome-1.0.15-6.el5_10, wireshark-gnome-1.0.15-6.el5_10.i386
RHSA-2013:1569 Released 2013-11-20 · Red Hat rating Moderate
wireshark security, bug fix, and enhancement update
- Red Hat Enterprise Linux Desktop (v. 6) wireshark-1.8.10-4.el6, wireshark-gnome-1.8.10-4.el6
- Red Hat Enterprise Linux Desktop Optional (v. 6) wireshark-1.8.10-4.el6, wireshark-devel-1.8.10-4.el6
- Red Hat Enterprise Linux Server (v. 6) wireshark-1.8.10-4.el6, wireshark-1.8.10-4.el6.ppc, wireshark-gnome-1.8.10-4.el6
- Red Hat Enterprise Linux Server Optional (v. 6) wireshark-1.8.10-4.el6, wireshark-devel-1.8.10-4.el6, wireshark-devel-1.8.10-4.el6.ppc
- Red Hat Enterprise Linux Workstation (v. 6) wireshark-1.8.10-4.el6, wireshark-gnome-1.8.10-4.el6
- Red Hat Enterprise Linux Workstation Optional (v. 6) wireshark-1.8.10-4.el6, wireshark-devel-1.8.10-4.el6

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

Product	Status	Plan or fix
Red Hat Enterprise Linux (v. 5 server)	Fixed	RHSA-2014:0341
Red Hat Enterprise Linux Desktop (v. 5 client)	Fixed	RHSA-2014:0341
Red Hat Enterprise Linux Desktop (v. 6)	Fixed	RHSA-2013:1569
Red Hat Enterprise Linux Desktop Optional (v. 6)	Fixed	RHSA-2013:1569
Red Hat Enterprise Linux Desktop Workstation (v. 5 client)	Fixed	RHSA-2014:0341
Red Hat Enterprise Linux Server (v. 6)	Fixed	RHSA-2013:1569
Red Hat Enterprise Linux Server Optional (v. 6)	Fixed	RHSA-2013:1569
Red Hat Enterprise Linux Workstation (v. 6)	Fixed	RHSA-2013:1569
Red Hat Enterprise Linux Workstation Optional (v. 6)	Fixed	RHSA-2013:1569

Timeline

2026-10-02 Threatist record created from CVE-2012-6056
2026-10-03 Alias added: GHSA-xg25-46f7-mw38

References

Patch 1

http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-sctp.c?r1=45355&r2=45354&pathrev=45355

Advisory 4

Other 3

TI-2026-53718 Heap-based Buffer Overflow in Wireshark CVSS 3.1CRITICAL 9.8
TI-2026-63612 Heap-based Buffer Overflow in Wireshark CVSS 3.1HIGH 8.8
TI-2024-16149 A buffer overflow in Wireshark before 4.2.0 allows a remote attacker to cause a denial of… CVSS 3.1HIGH 7.5
TI-2010-00291 Multiple buffer overflows in the LWRES dissector in Wireshark 0.9.15 through 1.0.10 and… CVSS 2.0HIGH 7.5
TI-2026-63614 Heap-based Buffer Overflow in Wireshark CVSS 3.1HIGH 8.1
TI-2014-01823 Buffer overflow in the mpeg_read function in wiretap/mpeg.c in the MPEG parser in… CVSS 2.0HIGH 9.3

See all 794 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences