ClamAV

Unspecified vulnerability in ClamAV before 0.95 allows remote attackers to bypass detection of malware via a modified RAR archive.

ClamAV 0.94.1 and possibly 0.93.1, when Internet Explorer 6 or 7 is used, allows remote attackers to bypass detection of malware in an HTML document by placing an MZ header (aka "EXE info") at the beginning, and modifying the filename to have (1) no extension, (2) a .txt…

Multiple unspecified vulnerabilities in ClamAV before 0.94 have unknown impact and attack vectors related to file descriptor leaks on the "error path" in (1) libclamav/others.c and (2) libclamav/sis.c.

Multiple memory leaks in freshclam/manager.c in ClamAV before 0.94 might allow attackers to cause a denial of service (memory consumption) via unspecified vectors related to "error handling logic".

libclamav in ClamAV before 0.94 allows attackers to cause a denial of service (NULL pointer dereference and application crash) via vectors related to an out-of-memory condition.

libclamav/chmunpack.c in the chm-parser in ClamAV before 0.94 allows remote attackers to cause a denial of service (application crash) via a malformed CHM file, related to an "invalid memory access."

libclamav/petite.c in ClamAV before 0.93.3 allows remote attackers to cause a denial of service via a malformed Petite file that triggers an out-of-bounds memory access. NOTE: this issue exists because of an incomplete fix for CVE-2008-2713.

libclamav/petite.c in ClamAV before 0.93.1 allows remote attackers to cause a denial of service via a crafted Petite file that triggers an out-of-bounds read.

ClamAV before 0.93 allows remote attackers to bypass the scanning enging via a RAR file with an invalid version number, which cannot be parsed by ClamAV but can be extracted by Winrar.

ClamAV before 0.93 allows remote attackers to cause a denial of service (CPU consumption) via a crafted ARJ archive, as demonstrated by the PROTOS GENOME test suite for Archive Formats.

The rfc2231 function in message.c in libclamav in ClamAV before 0.93 allows remote attackers to cause a denial of service (crash) via a crafted message that produces a string that is not null terminated, which triggers a buffer over-read.

libclamunrar in ClamAV before 0.93 allows remote attackers to cause a denial of service (crash) via crafted RAR files that trigger "memory problems," as demonstrated by the PROTOS GENOME test suite for Archive Formats.

The unmew11 function in libclamav/mew.c in libclamav in ClamAV before 0.92.1 has unknown impact and attack vectors that trigger "heap corruption."

ClamAV 0.92 allows local users to overwrite arbitrary files via a symlink attack on (1) temporary files used by the cli_gentempfd function in libclamav/others.c or on (2) .ascii files used by sigtool, when utf16-decode is enabled.

Unspecified vulnerability in the bzip2 decompression algorithm in nsis/bzlib_private.h in ClamAV before 0.92 has unknown impact and remote attack vectors.

ClamAV 0.92 does not recognize Base64 UUEncoded archives, which allows remote attackers to bypass the scanner via a Base64-UUEncoded file.

Off-by-one error in ClamAV before 0.92 allows remote attackers to execute arbitrary code via a crafted MS-ZIP compressed CAB file.

Unspecified vulnerability in ClamAV 0.91.1 and 0.91.2 allows remote attackers to execute arbitrary code via a crafted e-mail message. NOTE: this information is based upon a vague advisory by a vulnerability information sales organization that does not coordinate with vendors or…

ClamAV before 0.91.2, as used in Kolab Server 2.0 through 2.2beta1 and other products, allows remote attackers to cause a denial of service (application crash) via (1) a crafted RTF file, which triggers a NULL dereference in the cli_scanrtf function in libclamav/rtf.c; or (2) a…

libclamav/others.c in ClamAV before 0.90.3 and 0.91 before 0.91rc1 uses insecure permissions for temporary files that are created by the cli_gentempstream function in clamd/clamdscan, which might allow local users to read sensitive files.

Unspecified vulnerability in libclamav/phishcheck.c in ClamAV before 0.90.3 and 0.91 before 0.91rc1, when running on Solaris, allows remote attackers to cause a denial of service (hang) via unknown vectors related to the isURL function and regular expressions.

unrar.c in libclamav in ClamAV before 0.90.3 and 0.91 before 0.91rc1 allows remote attackers to cause a denial of service (core dump) via a crafted RAR file with a modified vm_codesize value, which triggers a heap-based buffer overflow.

unsp.c in ClamAV before 0.90.3 and 0.91 before 0.91rc1 does not properly calculate the end of a certain buffer, with unknown impact and remote attack vectors.

The parsing engine in ClamAV before 0.90.3 and 0.91 before 0.91rc1 allows remote attackers to bypass scanning via a RAR file with a header flag value of 10, which can be processed by WinRAR.

The OLE2 parser in Clam AntiVirus (ClamAV) allows remote attackers to cause a denial of service (resource consumption) via an OLE2 file with (1) a large property size or (2) a loop in the FAT file block chain that triggers an infinite loop, as demonstrated via a crafted DOC file.

File descriptor leak in the PDF handler in Clam AntiVirus (ClamAV) allows remote attackers to cause a denial of service via a crafted PDF file.

Integer signedness error in the (1) cab_unstore and (2) cab_extract functions in libclamav/cab.c in Clam AntiVirus (ClamAV) before 0.90.2 allow remote attackers to execute arbitrary code via a crafted CHM file that contains a negative integer, which passes a signed comparison…

The chm_decompress_stream function in libclamav/chmunpack.c in Clam AntiVirus (ClamAV) before 0.90.2 leaks file descriptors, which has unknown impact and attack vectors involving a crafted CHM file, a different vulnerability than CVE-2007-0897. NOTE: some of these details are…

Directory traversal vulnerability in clamd in Clam AntiVirus ClamAV before 0.90 allows remote attackers to overwrite arbitrary files via a .. (dot dot) in the id MIME header parameter in a multi-part message.

Clam AntiVirus (ClamAV) 0.88.6 allows remote attackers to cause a denial of service (stack overflow and application crash) by wrapping many layers of multipart/mixed content around a document, a different vulnerability than CVE-2006-5874 and CVE-2006-6406.

Clam AntiVirus (ClamAV) 0.88.6 allows remote attackers to bypass virus detection by inserting invalid characters into base64 encoded content in a multipart/mixed MIME file, as demonstrated with the EICAR test file.

Clam AntiVirus (ClamAV) 0.88 and earlier allows remote attackers to cause a denial of service (crash) via a malformed base64-encoded MIME attachment that triggers a null pointer dereference.

Multiple unspecified vulnerabilities in SnapGear before 3.1.4u1 allow remote attackers to cause a denial of service via unspecified vectors involving (1) IPSec replay windows and (2) the use of vulnerable versions of ClamAV before 0.88.4. NOTE: it is possible that vector 2 is…

freshclam in (1) Clam Antivirus (ClamAV) 0.88 and (2) ClamXav 1.0.3h and earlier does not drop privileges before processing the config-file command line option, which allows local users to read portions of arbitrary files when an error message displays the first line of the…

Buffer overflow in the get_database function in the HTTP client in Freshclam in ClamAV 0.80 to 0.88.1 might allow remote web servers to execute arbitrary code via long HTTP headers.

The cli_bitset_set function in libclamav/others.c in Clam AntiVirus (ClamAV) before 0.88.1 allows remote attackers to cause a denial of service via unspecified vectors that trigger an "invalid memory access."

Improper boundary checks in petite.c in Clam AntiVirus (ClamAV) before 0.87.1 allows attackers to perform unknown attacks via unknown vectors.

The tnef_attachment function in tnef.c for Clam AntiVirus (ClamAV) before 0.87.1 allows remote attackers to cause a denial of service (infinite loop and memory exhaustion) via a crafted value in a CAB file that causes ClamAV to repeatedly scan the same block.

The cabd_find function in cabd.c of the libmspack library (mspack) for Clam AntiVirus (ClamAV) before 0.87.1 allows remote attackers to cause a denial of service (infinite loop) via a crafted CAB file that causes cabd_find to be called with a zero length.

The OLE2 unpacker in clamd in Clam AntiVirus (ClamAV) 0.87-1 allows remote attackers to cause a denial of service (segmentation fault) via a DOC file with an invalid property tree, which triggers an infinite recursion in the ole2_walk_property_tree function.

Multiple interpretation error in unspecified versions of ClamAV Antivirus allows remote attackers to bypass virus detection via a malicious executable in a specially crafted RAR file with malformed central and local headers, which can still be opened by products such as Winrar…

libclamav/fsg.c in Clam AntiVirus (ClamAV) before 0.87 allows remote attackers to cause a denial of service (infinite loop) via a crafted FSG packed executable.

Multiple integer overflows in the (1) TNEF, (2) CHM, or (3) FSG file format processors in libclamav for Clam AntiVirus (ClamAV) 0.86.1 and earlier allow remote attackers to gain privileges via a crafted e-mail message.

The ENSURE_BITS macro in mszipd.c for Clam AntiVirus (ClamAV) 0.83, and other versions vefore 0.86, allows remote attackers to cause a denial of service (CPU consumption by infinite loop) via a cabinet (CAB) file with the cffile_FolderOffset field set to 0xff, which causes a…

The MS-Expand file handling in Clam AntiVirus (ClamAV) before 0.86 allows remote attackers to cause a denial of service (file descriptor and memory consumption) via a crafted file that causes repeated errors in the cli_msexpand function.

The ClamAV Mail fILTER (clamav-milter) 0.84 through 0.85d, when used in Sendmail using long timeouts, allows remote attackers to cause a denial of service by keeping an open connection, which prevents ClamAV from reloading.

The Quantum archive decompressor in Clam AntiVirus (ClamAV) before 0.86.1 allows remote attackers to cause a denial of service (application crash) via a crafted Quantum archive.

The filecopy function in misc.c in Clam AntiVirus (ClamAV) before 0.85, on Mac OS, allows remote attackers to execute arbitrary code via a virus in a filename that contains shell metacharacters, which are not properly handled when HFS permissions prevent the file from being…

Gibraltar Firewall 2.2 and earlier, when using the ClamAV update to 0.81 for Squid, uses a defunct ClamAV method to scan memory for viruses, which does not return an error code and prevents viruses from being detected.

ClamAV 0.80 and earlier allows remote attackers to bypass virus scanning via a base64 encoded image in a data: (RFC 2397) URL.