| Package | Affected versions | Patched versions |
|---|---|---|
| strongswan | = 4.3.3= 4.3.4= 4.3.5= 4.3.6= 4.3.7= 4.4.0= 4.4.1= 4.5.0= 4.5.1= 4.5.2= 4.5.3= 4.6.0= 4.6.1= 4.6.2= 4.6.3= 4.6.4= 5.0.0= 5.0.1= 5.0.2= 5.0.3= 5.0.4= 5.1.0 |
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.
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