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Researchers Claim Travis CI API Leaks 'Tens of Thousands' of User Tokens

Saturday June 18, 2022. 04:34 PM , from Slashdot
Ars Technica describes Travis CI as 'a service that helps open source developers write and test software.' They also wrote Monday that it's 'leaking thousands of authentication tokens and other security-sensitive secrets.

'Many of these leaks allow hackers to access the private accounts of developers on Github, Docker, AWS, and other code repositories, security experts said in a new report.'

The availability of the third-party developer credentials from Travis CI has been an ongoing problem since at least 2015. At that time, security vulnerability service HackerOne reported that a Github account it used had been compromised when the service exposed an access token for one of the HackerOne developers. A similar leak presented itself again in 2019 and again last year.

The tokens give anyone with access to them the ability to read or modify the code stored in repositories that distribute an untold number of ongoing software applications and code libraries. The ability to gain unauthorized access to such projects opens the possibility of supply chain attacks, in which threat actors tamper with malware before it's distributed to users. The attackers can leverage their ability to tamper with the app to target huge numbers of projects that rely on the app in production servers.

Despite this being a known security concern, the leaks have continued, researchers in the Nautilus team at the Aqua Security firm are reporting. A series of two batches of data the researchers accessed using the Travis CI programming interface yielded 4.28 million and 770 million logs from 2013 through May 2022. After sampling a small percentage of the data, the researchers found what they believe are 73,000 tokens, secrets, and various credentials.

'These access keys and credentials are linked to popular cloud service providers, including GitHub, AWS, and Docker Hub,' Aqua Security said. 'Attackers can use this sensitive data to initiate massive cyberattacks and to move laterally in the cloud. Anyone who has ever used Travis CI is potentially exposed, so we recommend rotating your keys immediately.'

Read more of this story at Slashdot.
https://developers.slashdot.org/story/22/06/18/0437239/researchers-claim-travis-ci-api-leaks-tens-of...
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