CVE-2018-0644
Description
Buffer overflow in ORCA panda-client2 allows authenticated attackers to cause a denial-of-service condition via a specially crafted file.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Buffer overflow in ORCA panda-client2 allows authenticated attackers to cause a denial-of-service condition via a specially crafted file.
Vulnerability
A buffer overflow vulnerability (CWE-119) exists in the panda-client2 component of ORCA (Online Receipt Computer Advantage) versions: Ubuntu14.04 ORCA 4.8.0 (panda-client2) 1:1.4.9+p41-u4jma1 and earlier, Ubuntu14.04 ORCA 5.0.0 (panda-client2) 1:2.0.0+p48-u4jma1 and earlier, and Ubuntu16.04 ORCA 5.0.0 (panda-client2) 1:2.0.0+p48-u5jma1 and earlier [1]. The issue occurs when a user opens a specially crafted file while logged into the affected product.
Exploitation
An attacker must be authenticated and have network access to the affected system (CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L). The attacker crafts a malicious file and convinces the user to open it, triggering the buffer overflow [1].
Impact
Successful exploitation results in a denial-of-service (DoS) condition, potentially causing the application to crash or become unresponsive. The CVSS v3 base score is 5.5, indicating medium severity [1].
Mitigation
Users are advised to update the software to the latest version according to the information provided by the developer [1]. No specific patched version is listed in the reference; however, updating is the recommended mitigation.
AI Insight generated on May 26, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.
Affected products
2- Range: Ubuntu14.04 ORCA 4.8.0 (panda-client2) 1:1.4.9+p41-u4jma1 and earlier, Ubuntu14.04 ORCA 5.0.0 (panda-client2) 1:2.0.0+p48-u4jma1 and earlier, Ubuntu16.04 ORCA 5.0.0 (panda-client2) 1:2.0.0+p48-u5jma1 and earlier
- ORCA Management Organization Co., Ltd./Ubuntu14.04 ORCA(Online Receipt Computer Advantage)4.8.0(panda-client2) 1:1.4.9+p41-u4jma1 and earlier, Ubuntu14.04 ORCA(Online Receipt Computer Advantage)5.0.0(panda-client2) 1:2.0.0+p48-u4jma1 and earlier, and Ubuntu16.04 ORCA(Online Receipt Computer Advantage)5.0.0(panda-client2) 1:2.0.0+p48-u5jma1 and earlierv5Range: unspecified
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
2- jvn.jp/en/jp/JVN37376131/index.htmlmitrethird-party-advisoryx_refsource_JVN
- www.orca.med.or.jp/news/vulnerability_2018-07-18-1.htmlmitrex_refsource_CONFIRM
News mentions
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