Three RSA PKCS#1 v1.5 signature verification issues were reported by Moosa
Yahyazadeh (moosa-yahyazadeh@uiowa.edu).
HIGH: Leniency in checking digestAlgorithm structure can lead to
signature forgery.
The code is lenient in checking the digest algorithm structure. This can
allow a crafted structure that steals padding bytes and uses unchecked
portion of the PKCS#1 encoded message to forge a signature when a low
public exponent is being used. For more information, please see
"Bleichenbacher's RSA signature forgery based on implementation
error"
by Hal Finney.
HIGH: Failing to check tailing garbage bytes can lead to signature
forgery.
The code does not check for tailing garbage bytes after decoding a
DigestInfo ASN.1 structure. This can allow padding bytes to be removed
and garbage data added to forge a signature when a low public exponent is
being used. For more information, please see "Bleichenbacher's RSA
signature forgery based on implementation
error"
by Hal Finney.
DigestInfo is not properly checked for proper ASN.1 structure. This can
lead to successful verification with signatures that contain invalid
structures but a valid digest.
[asn1] Add fallback to pretty print invalid UTF8 data.
[asn1] fromDer is now more strict and will default to ensuring all input
bytes are parsed or throw an error. A new option parseAllBytes can disable
this behavior.
NOTE: The previous behavior is being changed since it can lead to
security issues with crafted inputs. It is possible that code doing custom
DER parsing may need to adapt to this new behavior and optional flag.
[rsa] Add and use a validator to check for proper structure of parsed ASN.1
RSASSA-PKCS-v1_5DigestInfo data. Additionally check that the hash
algorithm identifier is a known value from RFC 8017
PKCS1-v1-5DigestAlgorithms. An invalid DigestInfo or algorithm identifier
will now throw an error.
NOTE: The previous lenient behavior is being changed to be more strict
since it could lead to security issues with crafted inputs. It is possible
that code may have to handle the errors from these stricter checks.
This version was pushed to npm by k80bowman, a new releaser for heroku since your current version.
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Bumps node-forge to 1.3.0 and updates ancestor dependency heroku. These dependencies need to be updated together.
Updates
node-forgefrom 0.6.47 to 1.3.0Changelog
Sourced from node-forge's changelog.
... (truncated)
Commits
6c5b901Release 1.3.0.0f3972aUpdate changelog.dc77b39Fix error checking.bb822c0Add advisory links.d4395feUpdate changelog.a4405bbImprove signature verification tests.aa9372dAdd missing RFC 8017 algorithm identifiers.3f0b49aFix signature verification issues.c20f309Adjust remaining length.e27f612Remove unused option.Updates
herokufrom 7.0.60 to 7.69.1Release notes
Sourced from heroku's releases.
... (truncated)
Changelog
Sourced from heroku's changelog.
... (truncated)
Commits
7edc021v7.69.1 (#2266)49d3689chore(cli): bump version of warn if update available plugin and update prerel...70791fachore: add ability to release from prerelease branches (#2258)c65cdb0release v7.69.0 (#2263)88ff4d7feat(local): change default starting port (#2261)5908cbechore: remove windows acceptance test run (#2262)bff246frelease v7.68.3 (#2260)27b7553fix(redis-v5): CLI to log Shogun upgrade response (#2255)f6cb67brefactor: revert oclif upgrade (#2256)da77f9cfix: ensure correct exit code in acceptance tests failures (#2252)Maintainer changes
This version was pushed to npm by k80bowman, a new releaser for heroku since your current version.
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