MEDIUM
clamav: Stack-based buffer over-read in cabd_read_string function
Published Jul 18, 2017
5.5
MEDIUMCVSS 3.0
EPSS 2.07%
Description
The cabd_read_string function in mspack/cabd.c in libmspack 0.5alpha, as used in ClamAV 0.99.2 and other products, allows remote attackers to cause a denial of service (stack-based buffer over-read and application crash) via a crafted CAB file.
Affected products
No data.
AND
- 0.5
No data.
Red Hat Enterprise Linux 7
libmspack
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | libmspack | 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.
5.5 MEDIUM NVD
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.07% 0.02067
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02067
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 (21 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.07% (0.02067) | 80.70th | v5 (v2026.06.15) |
| Sep 22, 2026 | 2.07% (0.02067) | 80.56th | v5 (v2026.06.15) |
| Sep 21, 2026 | 3.70% (0.03698) | 89.25th | v5 (v2026.06.15) |
| Sep 6, 2026 | 2.07% (0.02067) | 80.14th | v5 (v2026.06.15) |
| Sep 5, 2026 | 3.70% (0.03698) | 89.02th | v5 (v2026.06.15) |
| Aug 30, 2026 | 2.07% (0.02067) | 80.04th | v5 (v2026.06.15) |
| Aug 28, 2026 | 3.70% (0.03698) | 88.95th | v5 (v2026.06.15) |
| Aug 24, 2026 | 2.07% (0.02067) | 79.93th | v5 (v2026.06.15) |
| Aug 23, 2026 | 3.70% (0.03698) | 88.90th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.07% (0.02067) | 78.85th | v5 (v2026.06.15) |
| Nov 25, 2025 | 3.13% (0.03129) | 86.35th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.12% (0.02123) | 82.97th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.89% (0.00889) | 83.29th | v3 (v2023.03.01) |
| Jun 21, 2024 | 0.89% (0.00889) | 82.69th | v3 (v2023.03.01) |
| Dec 3, 2023 | 0.89% (0.00889) | 80.69th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.76% (0.00764) | 78.91th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.45% (0.00450) | 71.12th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.94% (0.01943) | 48.45th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.94% (0.01943) | 0.00th | v1 |
Weaknesses (1)
References (9)
- http://www.debian.org/security/2017/dsa-3946 vendor-advisoryx_refsource_DEBIAN
- https://access.redhat.com/security/cve/CVE-2017-11423 Vendor Advisory
- https://bugzilla.clamav.net/show_bug.cgi?id=11873 x_refsource_MISCPermissions Required
- https://bugzilla.redhat.com/show_bug.cgi?id=1472776 Issue Tracking
- https://github.com/hackerlib/hackerlib-vul/tree/master/clamav-vul x_refsource_MISCThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/02/msg00014.html mailing-listx_refsource_MLIST
- https://nvd.nist.gov/vuln/detail/CVE-2017-11423
- https://security.gentoo.org/glsa/201804-16 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2017-11423
| Link | Providers | Tags |
|---|---|---|
| http://www.debian.org/security/2017/dsa-3946 | vendor-advisoryx_refsource_DEBIAN | |
| https://access.redhat.com/security/cve/CVE-2017-11423 | Vendor Advisory | |
| https://bugzilla.clamav.net/show_bug.cgi?id=11873 | x_refsource_MISCPermissions Required | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1472776 | Issue Tracking | |
| https://github.com/hackerlib/hackerlib-vul/tree/master/clamav-vul | x_refsource_MISCThird Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2018/02/msg00014.html | mailing-listx_refsource_MLIST | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-11423 | ||
| https://security.gentoo.org/glsa/201804-16 | vendor-advisoryx_refsource_GENTOO | |
| https://www.cve.org/CVERecord?id=CVE-2017-11423 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jul 18, 2017
Updated Aug 5, 2024
Reserved Jul 18, 2017
Link CVE-2017-11423
CISA Vulnrichment
Updated n/a