CRITICAL
tcpdump: Buffer overflow in util-print.c:bittok2str_internal()
Published Sep 14, 2017
9.8
CRITICALCVSS 3.0
EPSS 2.53%
Description
Several protocol parsers in tcpdump before 4.9.2 could cause a buffer overflow in util-print.c:bittok2str_internal().
Affected products
No data.
No data.
Red Hat Enterprise Linux 7
tcpdump-14:4.9.2-3.el7
Fixed · RHEA-2018:0705
Red Hat Enterprise Linux 5
tcpdump
Will not fix
Red Hat Enterprise Linux 6
tcpdump
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | tcpdump-14:4.9.2-3.el7 | Fixed | RHEA-2018:0705 |
| Red Hat Enterprise Linux 5 | tcpdump | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | tcpdump | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
9.8 CRITICAL NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
1 other source (Red Hat) ▾
6.5 MEDIUM Red Hat
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.53% 0.02529
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.02529
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 2.53% (0.02529) | 84.36th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.53% (0.02529) | 82.79th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.57% (0.01567) | 79.81th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.21% (0.04214) | 80.91th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.75% (0.00752) | 81.22th | v3 (v2023.03.01) |
| Apr 10, 2024 | 0.75% (0.00752) | 80.72th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.75% (0.00752) | 78.71th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.53% (0.00532) | 73.54th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.11% (0.01108) | 55.18th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.11% (0.01108) | 29.61th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.66% (0.01659) | 34.20th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.66% (0.01659) | 0.00th | v1 |
Weaknesses (2)
References (11)
- http://www.debian.org/security/2017/dsa-3971 vendor-advisoryx_refsource_DEBIAN
- http://www.securitytracker.com/id/1039307 vdb-entryx_refsource_SECTRACK
- http://www.tcpdump.org/tcpdump-changes.txt x_refsource_CONFIRMVendor Advisory
- https://access.redhat.com/errata/RHEA-2018:0705 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2017-13011 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1490578 Issue Tracking
- https://github.com/the-tcpdump-group/tcpdump/commit/9f0730bee3eb65d07b49fd468bc2f269173352fe x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-13011
- https://security.gentoo.org/glsa/201709-23 vendor-advisoryx_refsource_GENTOO
- https://support.apple.com/HT208221 x_refsource_CONFIRM
- https://www.cve.org/CVERecord?id=CVE-2017-13011
| Link | Providers | Tags |
|---|---|---|
| http://www.debian.org/security/2017/dsa-3971 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.securitytracker.com/id/1039307 | vdb-entryx_refsource_SECTRACK | |
| http://www.tcpdump.org/tcpdump-changes.txt | x_refsource_CONFIRMVendor Advisory | |
| https://access.redhat.com/errata/RHEA-2018:0705 | vendor-advisoryx_refsource_REDHAT | |
| https://access.redhat.com/security/cve/CVE-2017-13011 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1490578 | Issue Tracking | |
| https://github.com/the-tcpdump-group/tcpdump/commit/9f0730bee3eb65d07b49fd468bc2f269173352fe | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-13011 | ||
| https://security.gentoo.org/glsa/201709-23 | vendor-advisoryx_refsource_GENTOO | |
| https://support.apple.com/HT208221 | x_refsource_CONFIRM | |
| https://www.cve.org/CVERecord?id=CVE-2017-13011 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Sep 14, 2017
Updated Aug 5, 2024
Reserved Aug 21, 2017
Link CVE-2017-13011
CISA Vulnrichment
Updated n/a