Stack-based buffer overflow in the WinACE UNACEV2.DLL third-party compression utility before 2.6.0.0, as used in multiple products includin…

Published 21 y ago 2005-09-08 · modified 4 mo ago 2026-06-16 · JSON

CVSS

7.5

v2.0 · NVD

CISA KEV

not known exploited

EPSS

15.7%

percentile 97%

Public exploits

Exploit-DB

Stack-based buffer overflow in the WinACE UNACEV2.DLL third-party compression utility before 2.6.0.0, as used in multiple products including (1) ALZip 5.51 through 6.11, (2) Servant Salamander 2.0 and 2.5 Beta 1, (3) WinHKI 1.66 and 1.67, (4) ExtractNow 3.x, (5) Total Commander 6.53, (6) Anti-Trojan 5.5.421, (7) PowerArchiver before 9.61, (8) UltimateZip 2.7,1, 3.0.3, and 3.1b, (9) Where Is It (WhereIsIt) 3.73.501, (10) FilZip 3.04, (11) IZArc 3.5 beta3, (12) Eazel 1.0, (13) Rising Antivirus 18.27.21 and earlier, (14) AutoMate 6.1.0.0, (15) BitZipper 4.1 SR-1, (16) ZipTV, and other products, allows user-assisted attackers to execute arbitrary code via a long filename in an ACE archive.

Exploit prediction (EPSS)

15.68% probability of exploitation in the next 30 days, higher than 97% of all scored CVEs.

Exploits and detections

EDB-1633 Total Commander 6.x - 'unacev2.dll' Buffer Overflow (PoC) · dos · 2006-04-02

CVSS scores

Assigned by	Version	Score	Vector
NVD	2.0	7.5	`AV:N/AC:L/Au:N/C:P/I:P/A:P`

Classification

Weakness

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

exchange.xforce.ibmcloud.com /vulnerabilities/26982 · vdb-entry, x_refsource_XF, x_transferred
securitytracker.com /id?1016512 · vdb-entry, x_refsource_SECTRACK, x_transferred
secunia.com /secunia_research/2006-24/advisory · x_refsource_MISC, x_transferred
vupen.com /english/advisories/2006/2824 · vdb-entry, x_refsource_VUPEN, x_transferred
securityreason.com /securityalert/49 · third-party-advisory, x_refsource_SREASON, x_transferred
securityfocus.com /bid/19884 · vdb-entry, x_refsource_BID, x_transferred
exchange.xforce.ibmcloud.com /vulnerabilities/26479 · vdb-entry, x_refsource_XF, x_transferred
vupen.com /english/advisories/2006/1797 · vdb-entry, x_refsource_VUPEN, x_transferred
securityfocus.com /archive/1/434279/100/0/threaded · mailing-list, x_refsource_BUGTRAQ, x_transferred
securitytracker.com /id?1014863 · vdb-entry, x_refsource_SECTRACK, x_transferred
securitytracker.com /id?1016011 · vdb-entry, x_refsource_SECTRACK, x_transferred
securitytracker.com /id?1016115 · vdb-entry, x_refsource_SECTRACK, x_transferred
secunia.com /advisories/19939 · third-party-advisory, x_refsource_SECUNIA, x_transferred
secunia.com /secunia_research/2006-46/advisory/ · x_refsource_MISC, x_transferred
securitytracker.com /id?1016065 · vdb-entry, x_refsource_SECTRACK, x_transferred
vupen.com /english/advisories/2006/1835 · vdb-entry, x_refsource_VUPEN, x_transferred
securitytracker.com /id?1016088 · vdb-entry, x_refsource_SECTRACK, x_transferred
vupen.com /english/advisories/2006/3495 · vdb-entry, x_refsource_VUPEN, x_transferred
secunia.com /advisories/19967 · third-party-advisory, x_refsource_SECUNIA, x_transferred
secunia.com /secunia_research/2006-27/ · x_refsource_MISC, x_transferred
securitytracker.com /id?1016177 · vdb-entry, x_refsource_SECTRACK, x_transferred
securitytracker.com /id?1016114 · vdb-entry, x_refsource_SECTRACK, x_transferred
exchange.xforce.ibmcloud.com /vulnerabilities/26272 · vdb-entry, x_refsource_XF, x_transferred
secunia.com /secunia_research/2006-50/advisory/ · x_refsource_MISC, x_transferred
securityfocus.com /archive/1/432579/100/0/threaded · mailing-list, x_refsource_BUGTRAQ, x_transferred
secunia.com /advisories/19931 · third-party-advisory, x_refsource_SECUNIA, x_transferred
secunia.com /secunia_research/2006-36/advisory · x_refsource_MISC, x_transferred
secunia.com /secunia_research/2006-28/advisory · x_refsource_MISC, x_transferred
exchange.xforce.ibmcloud.com /vulnerabilities/26447 · vdb-entry, x_refsource_XF, x_transferred
secunia.com /advisories/19975 · third-party-advisory, x_refsource_SECUNIA, x_transferred
vupen.com /english/advisories/2006/1775 · vdb-entry, x_refsource_VUPEN, x_transferred
secunia.com /advisories/16479 · third-party-advisory, x_refsource_SECUNIA, x_transferred
exchange.xforce.ibmcloud.com /vulnerabilities/26385 · vdb-entry, x_refsource_XF, x_transferred
exchange.xforce.ibmcloud.com /vulnerabilities/26116 · vdb-entry, x_refsource_XF, x_transferred
securityfocus.com /archive/1/436639/100/0/threaded · mailing-list, x_refsource_BUGTRAQ, x_transferred
vupen.com /english/advisories/2006/1611 · vdb-entry, x_refsource_VUPEN, x_transferred
vupen.com /english/advisories/2006/1681 · vdb-entry, x_refsource_VUPEN, x_transferred
securityfocus.com /archive/1/433693/100/0/threaded · mailing-list, x_refsource_BUGTRAQ, x_transferred
vupen.com /english/advisories/2006/2184 · vdb-entry, x_refsource_VUPEN, x_transferred
vupen.com /english/advisories/2006/1577 · vdb-entry, x_refsource_VUPEN, x_transferred
marc.info /?l=bugtraq&m=112621008228458&w=2
secunia.com /advisories/19454 · Vendor Advisory
secunia.com /advisories/19458 · Vendor Advisory
secunia.com /advisories/19581 · Vendor Advisory
secunia.com /advisories/19596
secunia.com /advisories/19612
secunia.com /advisories/19834 · Vendor Advisory
secunia.com /advisories/19890 · Vendor Advisory
secunia.com /advisories/19938 · Vendor Advisory
secunia.com /advisories/19977 · Vendor Advisory
secunia.com /advisories/20009 · Vendor Advisory
secunia.com /advisories/20270
secunia.com /secunia_research/2005-41/advisory/
secunia.com /secunia_research/2006-25/advisory · Vendor Advisory
secunia.com /secunia_research/2006-29/advisory/ · Vendor Advisory
secunia.com /secunia_research/2006-30/advisory · Vendor Advisory
secunia.com /secunia_research/2006-32/advisory/
secunia.com /secunia_research/2006-33/advisory/ · Vendor Advisory
secunia.com /secunia_research/2006-38/advisory · Vendor Advisory
securitytracker.com /id?1015852

Sources

CVE List: CVE-2005-2856
NVD: CVE-2005-2856

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.