CVE-2018-13203
HIGHCVSS 7.5/10EPSS 1.01%
Last modified
CVE-2018-13203 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The sellBuyerTokens function of a smart contract implementation for SwapToken, an Ethereum token, has an integer overflow in which "amount * sellPrice" can be zero, consequently reducing a seller's assets.. EPSS estimates a 1.01% chance of exploitation in the next 30 days.
Description
The sellBuyerTokens function of a smart contract implementation for SwapToken, an Ethereum token, has an integer overflow in which "amount * sellPrice" can be zero, consequently reducing a seller's assets.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Airswaptoken Project | Airswaptoken | All versions |
References
- https://github.com/BlockChainsSecurity/EtherTokens/tree/master/SwapTokenThird Party Advisory
- https://github.com/BlockChainsSecurity/EtherTokens/tree/master/SwapTokenThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-13203?
The sellBuyerTokens function of a smart contract implementation for SwapToken, an Ethereum token, has an integer overflow in which "amount * sellPrice" can be zero, consequently reducing a seller's assets.
How severe is CVE-2018-13203?
CVE-2018-13203 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.01% probability of exploitation in the next 30 days.
How do I fix CVE-2018-13203?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2018-13203?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST