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Some fixes available 13 of 14
libmspack 0.9.1alpha is affected by: Buffer Overflow. The impact is: Information Disclosure. The component is: function chmd_read_headers() in libmspack(file libmspack/mspack/chmd.c). The attack vector is: the victim must open a...
2 affected packages
clamav, libmspack
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| clamav | — | Not affected | Not affected | Not affected | Not affected |
| libmspack | — | Fixed | Fixed | Fixed | Fixed |
chmextract.c in the chmextract sample program, as distributed with libmspack before 0.8alpha, does not protect against absolute/relative pathnames in CHM files, leading to Directory Traversal. NOTE: the vendor disputes that this...
2 affected packages
clamav, libmspack
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| clamav | — | — | — | — | Not affected |
| libmspack | — | — | — | — | Not affected |
chmd_read_headers in mspack/chmd.c in libmspack before 0.8alpha accepts a filename that has '\0' as its first or second character (such as the "/\0" name).
2 affected packages
clamav, libmspack
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| clamav | — | Not affected | Not affected | Not affected | Not affected |
| libmspack | — | Not affected | Not affected | Not affected | Fixed |
In mspack/cab.h in libmspack before 0.8alpha and cabextract before 1.8, the CAB block input buffer is one byte too small for the maximal Quantum block, leading to an out-of-bounds write.
3 affected packages
cabextract, clamav, libmspack
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| cabextract | — | — | Not affected | Not affected | Not affected |
| clamav | — | — | Not affected | Not affected | Not affected |
| libmspack | — | — | Not affected | Not affected | Fixed |
An issue was discovered in mspack/chmd.c in libmspack before 0.7alpha. There is an off-by-one error in the TOLOWER() macro for CHM decompression.
2 affected packages
clamav, libmspack
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| clamav | — | Not affected | Not affected | Not affected | Not affected |
| libmspack | — | Not affected | Not affected | Not affected | Fixed |
An issue was discovered in kwajd_read_headers in mspack/kwajd.c in libmspack before 0.7alpha. Bad KWAJ file header extensions could cause a one or two byte overwrite.
2 affected packages
clamav, libmspack
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| clamav | — | Not affected | Not affected | Not affected | Not affected |
| libmspack | — | Not affected | Not affected | Not affected | Fixed |
An issue was discovered in mspack/chmd.c in libmspack before 0.7alpha. It does not reject blank CHM filenames.
2 affected packages
clamav, libmspack
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| clamav | — | Not affected | Not affected | Not affected | Not affected |
| libmspack | — | Not affected | Not affected | Not affected | Fixed |
An issue was discovered in mspack/chmd.c in libmspack before 0.7alpha. There is an off-by-one error in the CHM PMGI/PMGL chunk number validity checks, which could lead to denial of service (uninitialized data dereference and...
2 affected packages
clamav, libmspack
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| clamav | — | Not affected | Not affected | Not affected | Not affected |
| libmspack | — | Not affected | Not affected | Not affected | Fixed |
mspack/lzxd.c in libmspack 0.5alpha, as used in ClamAV 0.99.2, allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted CHM file.
2 affected packages
clamav, libmspack
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| clamav | — | Not affected | Not affected | Not affected | Not affected |
| libmspack | — | Not affected | Not affected | Not affected | Not affected |
Some fixes available 3 of 4
The cabd_read_string function in mspack/cabd.c in libmspack 0.5alpha, as used in ClamAV 0.99.2 and other products, allows remote attackers to cause a denial of service (stack-based buffer over-read and application crash) via a...
2 affected packages
clamav, libmspack
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| clamav | — | Not affected | Not affected | Not affected | Not affected |
| libmspack | — | Not affected | Not affected | Not affected | Not affected |