Published on: 09/14/2021 12:00:00 AM UTC

Last Modified on: 09/14/2021 07:15:00 PM UTC

The following vulnerability was found:

The activation process in Travis CI, for certain 2021-09-03 through 2021-09-10 builds, causes secret data to have unexpected sharing that is not specified by the customer-controlled .travis.yml file. In particular, the desired behavior (if .travis.yml has been created locally by a customer, and added to git) is for a Travis service to perform builds in a way that prevents public access to customer-specific secret environment data such as signing keys, access credentials, and API tokens. However, during the stated 8-day interval, secret data could be revealed to an unauthorized actor who forked a public repository and printed files during a build process.

CVE References

Description Tags Link
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The Travis CI Blog: Security Bulletin
Travis CI Leaked Secure Environment Variables | Hacker News
Security Bulletin - Announcements - Travis CI Community
Péter Szilágyi (karalabe.eth) on Twitter: "Between the 3 Sept and 10 Sept, secure env vars of *all* public @travisci repositories were injected into PR builds. Signing keys, access creds, API tokens. Anyone could exfiltrate these and gain lateral movement into 1000s of orgs. #security 1/4"
Secure env vars of all public travisci repositories were injected into PR builds | Hacker News

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-41077 : The activation process in Travis CI, for certain 2021-09-03 through 2021-09-10 builds, causes secr…… 2021-09-14 15:43:00
Twitter Icon @azu_re CVEが登録されてた。 "CVE - CVE-2021-41077" 2021-09-14 15:53:34
Twitter Icon @alexanderjaeger And also a CVE has been assigned: @CVEnew #CVE202141077 2021-09-15 08:44:20
Twitter Icon @_lijnk @Jeremy_Kirk @peter_szilagyi 2021-09-15 14:33:30
Twitter Icon @autumn_good_35 CVE-2021-41077 Travis CI Flaw Exposes Secrets of Thousands of Open Source Projects… 2021-09-16 15:10:13
Twitter Icon @wallofsheep #Travis CI Flaw exposes secrets of thousands of #opensource projects! CVE-2021-41077 - fork a public repo with a p…… 2021-09-16 18:50:02
Twitter Icon @HackersOmhe Error de ciberseguridad en Travis CI 2021-09-17 03:46:39
Twitter Icon @eagerbeavertech… The issue - tracked as CVE-2021-41077 - concerns unauthorized access and plunder of sec…… 2021-09-17 04:03:32
Twitter Icon @eed3si9n due to the poor handling of the recent security incident CVE-2021-41077, I'm suspending Travis CI integration on al…… 2021-09-19 02:40:49
Twitter Icon @sickcodes Travis CI’s advisory for CVE-2021-41077 is ~45 words of blaming the victims of their own vulnerability. The adviso…… 2021-09-19 08:13:48
Twitter Icon @kabukawa CVE-2021-41077 2021-09-19 11:10:33
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