GNU Libtasn1-4.13 libtasn1-4.13 version libtasn1-4.13, libtasn1-4.12 contains a DoS, specifically CPU usage will reach 100% when running asn1Paser against the POC due to an issue in _asn1_expand_object_id(p_tree), after a long time, the program will be killed. This attack appears to be exploitable via parsing a crafted file.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Libtasn1 | Gnu | 4.12 (including) | 4.12 (including) |
| Libtasn1 | Gnu | 4.13 (including) | 4.13 (including) |
| Libtasn1-3 | Ubuntu | precise/esm | * |
| Libtasn1-6 | Ubuntu | bionic | * |
| Libtasn1-6 | Ubuntu | cosmic | * |
| Libtasn1-6 | Ubuntu | disco | * |
| Libtasn1-6 | Ubuntu | eoan | * |
| Libtasn1-6 | Ubuntu | esm-infra/xenial | * |
| Libtasn1-6 | Ubuntu | groovy | * |
| Libtasn1-6 | Ubuntu | hirsute | * |
| Libtasn1-6 | Ubuntu | trusty | * |
| Libtasn1-6 | Ubuntu | trusty/esm | * |
| Libtasn1-6 | Ubuntu | upstream | * |
| Libtasn1-6 | Ubuntu | xenial | * |
References
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00018.html
- http://www.securityfocus.com/bid/105151
- https://gitlab.com/gnutls/libtasn1/issues/4
- https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00018.html
- http://www.securityfocus.com/bid/105151
- https://gitlab.com/gnutls/libtasn1/issues/4
- https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E