Vulnerability Report

CVE-2013-1618

Title: Opera Opera Browser Cryptographic Failures

Other

Proof Of Concept

No public PoC currently indexed for CVE-2013-1618.

CWE Category CWE-310

Published Date Feb 08, 2013

Modified Date Apr 29, 2026

Exploit Status Not Found

Score 4.0 CVSS v2.0

Exploit Probability (EPSS)

0.76%

Vulnerability Summary

CVE-2013-1618: The TLS implementation in Opera before 12.13 does not properly consider timing side-channel attacks on a MAC check operation during the processing of malformed CBC padding, which allows remote attackers to conduct distinguishing attacks and plaintext-recovery attacks via statistical analysis of timing data for crafted packets, a related issue to CVE-2013-0169.

Impacted Vendors

opera 1

Reference Links

http://lists.opensuse.org/opensuse-updates/2013-02/msg00038.html http://openwall.com/lists/oss-security/2013/02/05/24 http://www.isg.rhul.ac.uk/tls/TLStiming.pdf http://www.opera.com/docs/changelogs/unified/1213/ http://www.opera.com/support/kb/view/1044/ http://lists.opensuse.org/opensuse-updates/2013-02/msg00038.html http://openwall.com/lists/oss-security/2013/02/05/24 http://www.isg.rhul.ac.uk/tls/TLStiming.pdf http://www.opera.com/docs/changelogs/unified/1213/ http://www.opera.com/support/kb/view/1044/

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

4.0

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:H/Au:N/C:P/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2013-1618 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

April 29, 2026 MODIFIED

Vulnerability data updated via NVD.

April 11, 2025 MODIFIED

Vulnerability data or affected products updated.

February 08, 2013 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:N/AC:H/Au:N/C:P/I:P/A:N

Affected Stack

No specific products linked.