1.6.8): DoS (excessive CPU use and infinite loop) in DRDA dissector
Published Aug 30, 2012
4.3
MEDIUMCVSS 2.0
EPSS 1.55%
Description
The dissect_drda function in epan/dissectors/packet-drda.c in Wireshark 1.6.x through 1.6.10 and 1.8.x through 1.8.2 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a small value for a certain length field in a capture file.
Affected products
No data.
Configuration 1
Configuration 2
- 1.6.0
- 1.6.1
- 1.6.2
- 1.6.3
- 1.6.4
- 1.6.5
- 1.6.6
- 1.6.7
- 1.6.8
- 1.6.9
- 1.6.10
No data.
Red Hat Enterprise Linux 5
wireshark
Not affected
Red Hat Enterprise Linux 6
wireshark
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | wireshark | Not affected | n/a |
| Red Hat Enterprise Linux 6 | wireshark | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Not Vulnerable. This issue does not affect the version of wireshark as shipped with Red Hat Enterprise Linux 5 and 6.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.55% (0.01552) | 74.21th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.57% (0.01565) | 71.99th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.49% (0.00493) | 63.62th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.37% (0.00368) | 73.39th | v3 (v2023.03.01) |
| Mar 30, 2024 | 0.33% (0.00325) | 70.28th | v3 (v2023.03.01) |
| Feb 14, 2024 | 0.38% (0.00384) | 72.37th | v3 (v2023.03.01) |
| Jan 26, 2024 | 0.38% (0.00384) | 70.36th | v3 (v2023.03.01) |
| May 18, 2023 | 0.40% (0.00402) | 69.82th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.34% (0.00339) | 66.79th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
References (10)
- http://openwall.com/lists/oss-security/2012/08/29/4 mailing-listx_refsource_MLIST
- http://secunia.com/advisories/54425 third-party-advisoryx_refsource_SECUNIA
- http://www.gentoo.org/security/en/glsa/glsa-201308-05.xml vendor-advisoryx_refsource_GENTOO
- http://www.securitytracker.com/id?1027464 vdb-entryx_refsource_SECTRACK
- https://access.redhat.com/security/cve/CVE-2012-3548 Vendor Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7666 x_refsource_CONFIRMExploitPatch
- https://bugzilla.redhat.com/show_bug.cgi?id=849926 x_refsource_CONFIRMIssue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2012-3548
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15646 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2012-3548
| Link | Providers | Tags |
|---|---|---|
| http://openwall.com/lists/oss-security/2012/08/29/4 | mailing-listx_refsource_MLIST | |
| http://secunia.com/advisories/54425 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.gentoo.org/security/en/glsa/glsa-201308-05.xml | vendor-advisoryx_refsource_GENTOO | |
| http://www.securitytracker.com/id?1027464 | vdb-entryx_refsource_SECTRACK | |
| https://access.redhat.com/security/cve/CVE-2012-3548 | Vendor Advisory | |
| https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7666 | x_refsource_CONFIRMExploitPatch | |
| https://bugzilla.redhat.com/show_bug.cgi?id=849926 | x_refsource_CONFIRMIssue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2012-3548 | ||
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15646 | vdb-entrysignaturex_refsource_OVAL | |
| https://www.cve.org/CVERecord?id=CVE-2012-3548 |
Change history (0)
No recorded changes yet.