CVE-2013-6075
The compare_dn function in utils/identification.c in strongSwan 4.3.3 through 5.1.1 allows (1)...
The compare_dn function in utils/identification.c in strongSwan 4.3.3 through 5.1.1 allows (1) remote attackers to cause a denial of service (out-of-bounds read, NULL pointer dereference, and daemon crash) or (2) remote authenticated users to impersonate arbitrary users and bypass access restrictions via a crafted ID_DER_ASN1_DN ID, related to an "insufficient length check" during identity comparison.
Exploit likelihood
What each source reports
NVD Score used
The compare_dn function in utils/identification.c in strongSwan 4.3.3 through 5.1.1 allows (1) remote attackers to cause a denial of service (out-of-bounds read, NULL pointer dereference, and daemon crash) or (2) remote authenticated users to impersonate arbitrary users and bypass access restrictions via a crafted ID_DER_ASN1_DN ID, related to an "insufficient length check" during identity comparison.
- Record
CVE-2013-6075- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
The compare_dn function in utils/identification.c in strongSwan 4.3.3 through 5.1.1 allows (1) remote attackers to cause a denial of service (out-of-bounds read, NULL pointer dereference, and daemon crash) or (2) remote authenticated users to impersonate arbitrary users and bypass access restrictions via a crafted ID_DER_ASN1_DN ID, related to an "insufficient length check" during identity comparison.
- Record
CVE-2013-6075- Updated
- 2026-11-02
EUVDEUVD-2013-5904 No score
The compare_dn function in utils/identification.c in strongSwan 4.3.3 through 5.1.1 allows (1) remote attackers to cause a denial of service (out-of-bounds read, NULL pointer dereference, and daemon crash) or (2) remote authenticated users to impersonate arbitrary users and bypass access restrictions via a crafted ID_DER_ASN1_DN ID, related to an "insufficient length check" during identity comparison.
- Record
EUVD-2013-5904- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pv47-47g7-w845 No score
The compare_dn function in utils/identification.c in strongSwan 4.3.3 through 5.1.1 allows (1)...
The compare_dn function in utils/identification.c in strongSwan 4.3.3 through 5.1.1 allows (1) remote attackers to cause a denial of service (out-of-bounds read, NULL pointer dereference, and daemon crash) or (2) remote authenticated users to impersonate arbitrary users and bypass access restrictions via a crafted ID_DER_ASN1_DN ID, related to an "insufficient length check" during identity comparison.
- Record
GHSA-pv47-47g7-w845- Weakness
- CWE-119
- Updated
- 2026-11-02
OSV No score
The compare_dn function in utils/identification.c in strongSwan 4.3.3 through 5.1.1 allows (1) remote attackers to cause a denial of service (out-of-bounds read, NULL pointer dereference, and daemon crash) or (2) remote authenticated users to impersonate arbitrary users and bypass access restrictions via a crafted ID_DER_ASN1_DN ID, related to an "insufficient length check" during identity comparison.
- Record
CVE-2013-6075- Updated
- 2026-11-02
OSVDEBIAN-CVE-2013-6075 No score
The compare_dn function in utils/identification.c in strongSwan 4.3.3 through 5.1.1 allows (1) remote attackers to cause a denial of service (out-of-bounds read, NULL pointer dereference, and daemon crash) or (2) remote authenticated users to impersonate arbitrary users and bypass access restrictions via a crafted ID_DER_ASN1_DN ID, related to an "insufficient length check" during identity comparison.
- Record
DEBIAN-CVE-2013-6075- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10579-1 No score
strongswan-5.3.5-1.1 on GA media
These are all security issues fixed in the strongswan-5.3.5-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10579-1- Updated
- 2026-11-02
OSVUBUNTU-CVE-2013-6075 No score
The compare_dn function in utils/identification.c in strongSwan 4.3.3 through 5.1.1 allows (1) remote attackers to cause a denial of service (out-of-bounds read, NULL pointer dereference, and daemon crash) or (2) remote authenticated users to impersonate arbitrary users and bypass access restrictions via a crafted ID_DER_ASN1_DN ID, related to an "insufficient length check" during identity comparison.
- Record
UBUNTU-CVE-2013-6075- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
strongswanDebian:12 |
before 5.1.0-3 | 5.1.0-3 |
strongswanDebian:13 |
before 5.1.0-3 | 5.1.0-3 |
strongswanDebian:14 |
before 5.1.0-3 | 5.1.0-3 |
strongswanDebian:6.0 |
before 4.4.1-5.4, plus listed versions 4.4.1-5.14.4.1-5.24.4.1-5.3 |
4.4.1-5.4 |
strongswanDebian:7 |
before 4.5.2-1.5+deb7u2, plus listed versions 4.5.2-1.5+deb7u14.5.2-1.5+deb7u2~bpo60+1 |
4.5.2-1.5+deb7u2 |
strongswanopenSUSE:Tumbleweed From an advisory covering 11 CVEs |
before 5.3.5-1.1 | 5.3.5-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| affected | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2013-6075 is a medium vulnerability (CVSS 5.0) in Strongswan, published November 1, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.45%, the 84th percentile. Fixed in strongswan 5.1.0-3.
References
strongswan.org/blog/2013/11/01/strongswan-denial-of-service-vulnerability-%28cve-2013-6075%29.html
download.strongswan.org/security/CVE-2013-6075/strongswan-4.3.3-5.1.0_id_dn_match.patch
debian.org/security/2012/dsa-2789
nvd.nist.gov/vuln/detail/CVE-2013-6075
github.com/advisories/GHSA-pv47-47g7-w845
security-tracker.debian.org/tracker/CVE-2013-6075
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ubuntu.com/security/CVE-2013-6075
cve.org/CVERecord?id=CVE-2013-6075
suse.com/security/cve/CVE-2009-0790