Google webapp2 2.5.1 webapp2_extract.security.hash_password denial of service
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.3 | $0-$5k | 0.00 |
A vulnerability, which was classified as critical, has been found in Google webapp2 2.5.1. This issue affects an unknown function of the file webapp2_extract.security.hash_password. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.
The weakness was released 12/16/2013 by Krzysztof Kotowicz as Breaking Google AppEngine webapp2 applications with a single hash as confirmed blog post (Blog). It is possible to read the advisory at blog.kotowicz.net. The vendor was not involved in the public release. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/24/2019).
After immediately, there has been an exploit disclosed. It is declared as functional.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Product
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
Video
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.3
VulDB Base Score: 7.5
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Functional
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Exploit Delay Time: 🔍
Timeline
12/16/2013 🔍12/16/2013 🔍
01/06/2014 🔍
03/24/2019 🔍
Sources
Vendor: google.comAdvisory: Breaking Google AppEngine webapp2 applications with a single hash
Researcher: Krzysztof Kotowicz
Status: Confirmed
Confirmation: 🔍
OSVDB: 101654
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 01/06/2014 09:32Updated: 03/24/2019 09:28
Changes: 01/06/2014 09:32 (47), 03/24/2019 09:28 (1)
Complete: 🔍
Committer: olku
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