CVE-2020-12872
published 2020-05-15CVE-2020-12872: yaws_config.erl in Yaws through 2.0.2 and/or 2.0.7 loads obsolete TLS ciphers, as demonstrated by ones that allow Sweet32 attacks, if running on an Erlang/OTP…
PriorityP421medium5.5CVSS 3.1
AVLACLPRLUINSUCHINAN
EPSS
0.39%
31.1th percentile
yaws_config.erl in Yaws through 2.0.2 and/or 2.0.7 loads obsolete TLS ciphers, as demonstrated by ones that allow Sweet32 attacks, if running on an Erlang/OTP virtual machine with a version less than 21.0.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | erlang | < erlang 1:21.2.6+dfsg-1 (bookworm) | erlang 1:21.2.6+dfsg-1 (bookworm) |
| yaws | yaws | 2.0.2 – 2.0.6 | — |
CVSS provenance
nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
nvdv2.02.1LOWAV:L/AC:L/Au:N/C:P/I:N/A:N
osv5.5MEDIUM
vendor_debian5.5LOW
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Debian
CVE-2020-12872: erlang - yaws_config.erl in Yaws through 2.0.2 and/or 2.0.7 loads obsolete TLS ciphers, a...
vendor_debian·2020·CVSS 5.5
CVE-2020-12872 [MEDIUM] CVE-2020-12872: erlang - yaws_config.erl in Yaws through 2.0.2 and/or 2.0.7 loads obsolete TLS ciphers, a...
yaws_config.erl in Yaws through 2.0.2 and/or 2.0.7 loads obsolete TLS ciphers, as demonstrated by ones that allow Sweet32 attacks, if running on an Erlang/OTP virtual machine with a version less than 21.0.
Scope: local
bookworm: resolved (fixed in 1:21.2.6+dfsg-1)
bullseye: resolved (fixed in 1:21.2.6+dfsg-1)
forky: resolved (fixed in 1:21.2.6+dfsg-1)
sid: resolved (fixed in 1:21.2.6+dfsg-1)
trixie: resolved (fixed in 1:21.2.6+dfsg-1)
GHSA
GHSA-2g9r-9f99-v27g: yaws_config
ghsa_unreviewed·2022-05-24
CVE-2020-12872 [LOW] CWE-326 GHSA-2g9r-9f99-v27g: yaws_config
yaws_config.erl in Yaws through 2.0.2 and/or 2.0.7 loads obsolete TLS ciphers, as demonstrated by ones that allow Sweet32 attacks.
OSV
CVE-2020-12872: yaws_config
osv·2020-05-15·CVSS 5.5
CVE-2020-12872 [MEDIUM] CVE-2020-12872: yaws_config
yaws_config.erl in Yaws through 2.0.2 and/or 2.0.7 loads obsolete TLS ciphers, as demonstrated by ones that allow Sweet32 attacks, if running on an Erlang/OTP virtual machine with a version less than 21.0.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2020-12872 yaws: yaws_config.erl loads obsolete TLS ciphers [fedora-all]
bugzilla·2020-05-25·CVSS 5.5
CVE-2020-12872 [MEDIUM] CVE-2020-12872 yaws: yaws_config.erl loads obsolete TLS ciphers [fedora-all]
CVE-2020-12872 yaws: yaws_config.erl loads obsolete TLS ciphers [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple supported versions
Bugzilla
CVE-2020-12872 yaws: yaws_config.erl loads obsolete TLS ciphers
bugzilla·2020-05-25·CVSS 5.5
CVE-2020-12872 [MEDIUM] CVE-2020-12872 yaws: yaws_config.erl loads obsolete TLS ciphers
CVE-2020-12872 yaws: yaws_config.erl loads obsolete TLS ciphers
yaws_config.erl in Yaws through 2.0.2 and/or 2.0.7 loads obsolete TLS ciphers, as demonstrated by ones that allow Sweet32 attacks.
References:
https://github.com/erlyaws/yaws/blob/c0fd79f17d52628fcec527da7fa3e788c283c445/src/yaws_config.erl#L2068-L2075
https://github.com/erlyaws/yaws/releases
https://medium.com/@charlielabs101/cve-2020-12872-df315411aa70
https://sweet32.info/
Discussion:
Created yaws tracking bugs for this issue:
Affects: epel-7 [bug 1839817]
Affects: fedora-all [bug 1839816]
---
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community pro
Bugzilla
CVE-2020-12872 yaws: yaws_config.erl loads obsolete TLS ciphers [epel-7]
bugzilla·2020-05-25·CVSS 5.5
CVE-2020-12872 [MEDIUM] CVE-2020-12872 yaws: yaws_config.erl loads obsolete TLS ciphers [epel-7]
CVE-2020-12872 yaws: yaws_config.erl loads obsolete TLS ciphers [epel-7]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of epel-7.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
Discussion:
Use the following template to for the 'fedpkg up
https://github.com/erlyaws/yaws/blob/c0fd79f17d52628fcec527da7fa3e788c283c445/src/yaws_config.erl#L2068-L2075https://github.com/erlyaws/yaws/issues/402https://github.com/erlyaws/yaws/releaseshttps://medium.com/%40charlielabs101/cve-2020-12872-df315411aa70https://sweet32.info/https://github.com/erlyaws/yaws/blob/c0fd79f17d52628fcec527da7fa3e788c283c445/src/yaws_config.erl#L2068-L2075https://github.com/erlyaws/yaws/issues/402https://github.com/erlyaws/yaws/releaseshttps://medium.com/%40charlielabs101/cve-2020-12872-df315411aa70https://sweet32.info/
2020-05-15
Published