CWE-203— Observable Discrepancy (Information Exposure via Side Channel)

Windows MSHTML Platform Security Feature Bypass Vulnerability

In the Twilio Authy API, accessed by Authy Android before 25.1.0 and Authy iOS before 26.1.0, an unauthenticated endpoint provided access to certain phone-number data, as exploited in the wild in June 2024. Specifically, the endpoint accep…

The Legion of the Bouncy Castle Java Cryptography API before release 1.38, as used in Crypto Provider Package before 1.36, has unknown impact and remote attack vectors related to "a Bleichenbacher vulnerability in simple RSA CMS signatures…

OwnCloud 8.1.8 contains a username enumeration vulnerability that allows remote attackers to discover user accounts by manipulating the share.php endpoint. Attackers can send crafted GET requests to /index.php/core/ajax/share.php with a wi…

RustCrypto CMOV provides conditional move CPU intrinsics which are guaranteed on major platforms to execute in constant-time and not be rewritten as branches by the compiler. Prior to 0.4.4, the thumbv6m-none-eabi (Cortex M0, M0+ and M1) c…

Vasion Print (formerly PrinterLogic) before Virtual Appliance Host 22.0.843 Application 20.0.1923 allows Administrative User Email Enumeration OVE-20230524-0011.

This issue was addressed with improved redaction of sensitive information. This issue is fixed in macOS Sequoia 15.3, macOS Sonoma 14.7.3, macOS Ventura 13.7.3. Deleting a conversation in Messages may expose user contact information in sys…

In Rhonabwy through 1.1.13, HMAC signature verification uses a strcmp function that is vulnerable to side-channel attacks, because it stops the comparison when the first difference is spotted in the two signatures. (The fix uses gnutls_mem…

php-jwt 1.0.0 uses strcmp (which is not constant time) to verify authentication, which makes it easier to bypass authentication via a timing side channel.

l8w8jwt 2.2.1 uses memcmp (which is not constant time) to verify authentication, which makes it easier to bypass authentication via a timing side channel.

libjwt 1.15.3 uses strcmp (which is not constant time) to verify authentication, which makes it easier to bypass authentication via a timing side channel.

darkhttpd before 1.15 uses strcmp (which is not constant time) to verify authentication, which makes it easier for remote attackers to bypass authentication via a timing side channel.

yii2-authclient is an extension that adds OpenID, OAuth, OAuth2 and OpenId Connect consumers for the Yii framework 2.0. In yii2-authclient prior to version 2.2.15, the Oauth1/2 `state` and OpenID Connect `nonce` is vulnerable for a `timing…

User enumeration is found in PHPJabbers Callback Widget v1.0. This issue occurs during password recovery, where a difference in messages could allow an attacker to determine if the user is valid or not, enabling a brute force attack with v…

The implementations of EAP-pwd in hostapd before 2.10 and wpa_supplicant before 2.10 are vulnerable to side-channel attacks as a result of cache access patterns. NOTE: this issue exists because of an incomplete fix for CVE-2019-9495.

The implementations of SAE in hostapd before 2.10 and wpa_supplicant before 2.10 are vulnerable to side channel attacks as a result of cache access patterns. NOTE: this issue exists because of an incomplete fix for CVE-2019-9494.

The code which checks HMAC in form submissions used String.equals() for comparisons, which results in a timing side channel for the comparison of the HMAC signatures. This could lead to remote code execution if an attacker is able to deter…

Vesta CP version Prior to commit f6f6f9cfbbf2979e301956d1c6ab5c44386822c0 -- any release prior to 0.9.8-18 contains a CWE-208 / Information Exposure Through Timing Discrepancy vulnerability in Password reset code -- web/reset/index.php, li…

Observable discrepancy in Paint in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to potentially obtain cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

Observable discrepancy in Forms in Google Chrome prior to 156.0.8078.47 allowed a remote attacker leveraging social engineering to leak sensitive information via a crafted HTML page. (Chromium security severity: Low)

Observable discrepancy in PerformanceAPIs in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)

Observable discrepancy in Canvas in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

Side-channel in the Web Audio component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.

Side-channel information leakage in V8 in Google Chrome prior to 140.0.7339.207 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)

io.finnet tss-lib before 2.0.0 can leak a secret key via a timing side-channel attack because it relies on the scalar-multiplication implementation in Go crypto/elliptic, which is not constant time (there is an if statement in a loop). One…

In certain Nedi products, a vulnerability in the web UI of NeDi login & Community login could allow an unauthenticated, remote attacker to affect the integrity of a device via a User Enumeration vulnerability. The vulnerability is due to i…

RELATE is a web-based courseware package. Prior to commit 2f68e16, there is a timing attack vulnerability in course/auth.py — check_sign_in_key(). This issue has been patched via commit 2f68e16.

Information disclosure through timing and power side-channels during mod exponentiation for RSA-CRT in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Sna…

Systems with microprocessors utilizing speculative execution and branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis.

Observable discrepancy in Animation in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

Observable discrepancy in Controls in Google Chrome prior to 156.0.8078.47 allowed a remote attacker leveraging social engineering to obtain sensitive information via a crafted HTML page. (Chromium security severity: Low)

Observable discrepancy in Media in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)

Observable discrepancy in Network in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)

Observable discrepancy in CSS in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to obtain sensitive information via a crafted HTML page. (Chromium security severity: Medium)

Observable discrepancy in Forms in Google Chrome prior to 156.0.8078.47 allowed a remote attacker leveraging social engineering to obtain sensitive information via a crafted HTML page. (Chromium security severity: Medium)

Observable discrepancy in Animation in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to obtain sensitive information via a crafted HTML page. (Chromium security severity: Medium)

Observable discrepancy in ComputePressure in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to obtain sensitive information via a crafted HTML page. (Chromium security severity: Medium)

A vulnerability in the DHCP message handler of Cisco IOS XE Software for Cisco cBR-8 Converged Broadband Routers could allow an unauthenticated, remote attacker to cause the supervisor to crash, which could result in a denial of service (D…

The sensitive information exposure vulnerability in the CGI “Export_Log” and the binary “zcmd” in Zyxel DX5401-B0 firmware versions prior to V5.17(ABYO.1)C0 could allow a remote unauthenticated attacker to read the system files and…

Systems with microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis.

A potential security vulnerability has been reported in the system BIOS of certain HP PC products, which might allow memory tampering. HP is releasing mitigation for the potential vulnerability.

This issue was addressed with improved checks. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Websites may know if the user has visited a given link.

Mattermost versions 9.8.x <= 9.8.0, 9.7.x <= 9.7.4, 9.6.x <= 9.6.2 and 9.5.x <= 9.5.5, when shared channels are enabled, fail to use constant time comparison for remote cluster tokens which allows an attacker to retrieve the remote cluster…

A security vulnerability has been identified in the pkcs11-provider, which is associated with Public-Key Cryptography Standards (PKCS#11). If exploited successfully, this vulnerability could result in a Bleichenbacher-like security flaw, p…

An issue was discovered in Symfony 2.8.0 through 2.8.50, 3.4.0 through 3.4.34, 4.2.0 through 4.2.11, and 4.3.0 through 4.3.7. The UriSigner was subject to timing attacks. This is related to symfony/http-kernel.

If hyperthreading is not disabled, a timing attack vulnerability exists, similar to previous Spectre attacks. Apple has shipped macOS 10.14.5 with an option to disable hyperthreading in applications running untrusted code in a thread throu…

Teclib GLPI before 9.4.1.1 is affected by a timing attack associated with a cookie.

NVIDIA DGX H100 BMC and DGX A100 BMC contains a vulnerability in the host KVM daemon, where an unauthenticated attacker may cause a leak of another user’s session token by observing timing discrepancies between server responses. A succes…

OpenMage LTS before versions 19.4.6 and 20.0.2 allows attackers to circumvent the `fromkey protection` in the Admin Interface and increases the attack surface for Cross Site Request Forgery attacks. This issue is related to Adobe's CVE-202…

In multiple locations, there is a possible way to obtain any system permission due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed fo…