CVE-2013-4935
What it is
The dissect_per_length_determinant function in epan/dissectors/packet-per.c in the ASN.1 PER dissector in Wireshark 1.8.x before 1.8.9 and 1.10.x before 1.10.1 does not initialize a length field in certain abnormal situations, which allows remote attackers to cause a denial of service (application crash) via a crafted packet.
At a glance
- Exploitability
- Can be exploited over the network without logging in. Limited direct impact.
- Exploit odds
- 2.7% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 2.7% in the next 30 days (EPSS).
- Severity: 4.3 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 2.7% · EPSS, next 30 days
- Weakness
- CWE-189
- Record status
- Modified
Affected
- Wireshark 1.8.0
- Wireshark 1.8.1
- Wireshark 1.8.2
- Wireshark 1.8.3
- Wireshark 1.8.4
- Wireshark 1.8.5
- Wireshark 1.8.6
- Wireshark 1.8.7
Attack profile CVSS 2.0 · 4.3
- Attack vector
- Network
- Complexity
- Medium
- Authentication
- None
- Confidentiality
- None
- Integrity
- None
- Availability
- Partial
Raw vector
AV:N/AC:M/Au:N/C:N/I:N/A:P
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2013-4935.md and follow it. Check whether this project is affected by CVE-2013-4935. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-per.c?r1=49985&r2=49984&pathrev=49985
- http://anonsvn.wireshark.org/viewvc?view=revision&revision=49985
- https://www.wireshark.org/security/wnpa-sec-2013-52.html
- http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-per.c?r1=49985&r2=49984&pathrev=49985
- http://anonsvn.wireshark.org/viewvc?view=revision&revision=49985
- https://www.wireshark.org/security/wnpa-sec-2013-52.html
References
- http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-per.c?r1=49985&r2=49984&pathrev=49985
- http://anonsvn.wireshark.org/viewvc?view=revision&revision=49985
- http://lists.opensuse.org/opensuse-updates/2013-08/msg00004.html
- http://lists.opensuse.org/opensuse-updates/2013-08/msg00009.html
- http://rhn.redhat.com/errata/RHSA-2014-0341.html
- http://secunia.com/advisories/54178
- http://secunia.com/advisories/54296
- http://secunia.com/advisories/54371
- http://secunia.com/advisories/54425
- http://www.debian.org/security/2013/dsa-2734
- http://www.gentoo.org/security/en/glsa/glsa-201308-05.xml
- http://www.wireshark.org/docs/relnotes/wireshark-1.10.1.html
- http://www.wireshark.org/docs/relnotes/wireshark-1.8.9.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=8722
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17417
- https://www.wireshark.org/security/wnpa-sec-2013-52.html
- http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-per.c?r1=49985&r2=49984&pathrev=49985
- http://anonsvn.wireshark.org/viewvc?view=revision&revision=49985
- http://lists.opensuse.org/opensuse-updates/2013-08/msg00004.html
- http://lists.opensuse.org/opensuse-updates/2013-08/msg00009.html
- http://rhn.redhat.com/errata/RHSA-2014-0341.html
- http://secunia.com/advisories/54178
- http://secunia.com/advisories/54296
- http://secunia.com/advisories/54371
- http://secunia.com/advisories/54425