subversion: mod_dav_svn assertion when handling certain requests with autoversioning enabled
Published Dec 7, 2013
3.5
LOWCVSS 2.0
EPSS 5.88%
Description
The get_parent_resource function in repos.c in mod_dav_svn Apache HTTPD server module in Subversion 1.7.11 through 1.7.13 and 1.8.1 through 1.8.4, when built with assertions enabled and SVNAutoversioning is enabled, allows remote attackers to cause a denial of service (assertion failure and Apache process abort) via a non-canonical URL in a request, as demonstrated using a trailing /.
Affected products
No data.
- n/a
- 1.7.11
- 1.7.12
- 1.7.13
- 1.8.1
- 1.8.2
- 1.8.3
- 1.8.4
No data.
Red Hat Enterprise Linux 5
subversion
Not affected
Red Hat Enterprise Linux 6
subversion
Not affected
Red Hat Enterprise Linux 7
subversion
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | subversion | Not affected | n/a |
| Red Hat Enterprise Linux 6 | subversion | Not affected | n/a |
| Red Hat Enterprise Linux 7 | subversion | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. This issue did not affect the versions of Subversion in 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:S/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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.88% (0.05882) | 92.99th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.88% (0.05882) | 92.24th | v5 (v2026.06.15) |
| Mar 30, 2025 | 2.00% (0.02004) | 82.07th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.91% (0.04907) | 82.27th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.00% (0.02004) | 82.48th | v4 (v2025.03.14) |
| Dec 31, 2024 | 2.82% (0.02822) | 90.39th | v3 (v2023.03.01) |
| Dec 17, 2024 | 3.94% (0.03945) | 91.91th | v3 (v2023.03.01) |
| Mar 29, 2024 | 2.19% (0.02191) | 89.18th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.63% (0.00627) | 78.31th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.63% (0.00627) | 75.70th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.39% (0.01386) | 71.96th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.39% (0.01386) | 71.91th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.39% (0.01386) | 69.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.39% (0.01386) | 45.79th | v2 (v2022.01.01) |
References (10)
- http://lists.opensuse.org/opensuse-updates/2013-12/msg00029.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-updates/2013-12/msg00048.html vendor-advisoryx_refsource_SUSE
- http://osvdb.org/100363 vdb-entryx_refsource_OSVDB
- http://subversion.apache.org/security/CVE-2013-4558-advisory.txt x_refsource_CONFIRMPatchVendor Advisory
- https://access.redhat.com/security/cve/CVE-2013-4558 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1033431 x_refsource_CONFIRMIssue Tracking
- https://github.com/apache/subversion/commit/2c77c43e4255555f3b79f761f0d141393a3856cc
- https://github.com/apache/subversion/commit/647e3f8365a74831bb915f63793b63e31fae062d
- https://nvd.nist.gov/vuln/detail/CVE-2013-4558
- https://www.cve.org/CVERecord?id=CVE-2013-4558
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-updates/2013-12/msg00029.html | vendor-advisoryx_refsource_SUSE | |
| http://lists.opensuse.org/opensuse-updates/2013-12/msg00048.html | vendor-advisoryx_refsource_SUSE | |
| http://osvdb.org/100363 | vdb-entryx_refsource_OSVDB | |
| http://subversion.apache.org/security/CVE-2013-4558-advisory.txt | x_refsource_CONFIRMPatchVendor Advisory | |
| https://access.redhat.com/security/cve/CVE-2013-4558 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1033431 | x_refsource_CONFIRMIssue Tracking | |
| https://github.com/apache/subversion/commit/2c77c43e4255555f3b79f761f0d141393a3856cc | ||
| https://github.com/apache/subversion/commit/647e3f8365a74831bb915f63793b63e31fae062d | ||
| https://nvd.nist.gov/vuln/detail/CVE-2013-4558 | ||
| https://www.cve.org/CVERecord?id=CVE-2013-4558 |
Change history (0)
No recorded changes yet.