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UID2-7641: Fix padding oracle vulnerability in token/refresh #2718

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UID2-7641: Fix padding oracle vulnerability in token/refresh #2718

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b220bdf
UID2-7641: Refresh returns 400 on error paths so attacker can't glean…
samin-ttd Sep 2, 2026
c82fcee
[CI Pipeline] Released Snapshot version: 5.70.281-alpha-332-SNAPSHOT …
github-actions[bot] Sep 2, 2026
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2 changes: 1 addition & 1 deletion pom.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@

<groupId>com.uid2</groupId>
<artifactId>uid2-operator</artifactId>
<version>5.70.280</version>
<version>5.70.281-alpha-332-SNAPSHOT</version>

<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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8 changes: 8 additions & 0 deletions src/main/java/com/uid2/operator/vertx/UIDOperatorVerticle.java
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Expand Up @@ -1525,7 +1525,15 @@ private RefreshResponse refreshIdentity(RoutingContext rc, String tokenStr) {
} catch (ClientInputValidationException cie) {
LOGGER.warn("Failed to decode refresh token for site ID: " + rc.data().get(Const.RoutingContextData.SiteId), cie);
return RefreshResponse.Invalid;
} catch (Exception e) {
if (e.getCause() instanceof BadPaddingException || e.getCause() instanceof IllegalBlockSizeException) {
LOGGER.warn("Failed to decode refresh token for site ID: " + rc.data().get(Const.RoutingContextData.SiteId), e);
} else {
LOGGER.error("Unexpected error decoding refresh token for site ID: " + rc.data().get(Const.RoutingContextData.SiteId), e);
}
return RefreshResponse.Invalid;
}

if (refreshToken == null) {
return RefreshResponse.Invalid;
}
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