CVE-2004-1188
HighSummary
The pnm_get_chunk function in xine 0.99.2 and earlier, and other packages such as MPlayer that use the same code, does not properly verify that the chunk size is less than the PREAMBLE_SIZE, which causes a read operation with a negative length that leads to a buffer overflow via RMF_TAG, DATA_TAG, PROP_TAG, MDPR_TAG, and CONT_TAG values.
Risk Assessment
An attacker can remotely trigger a buffer overflow, potentially leading to arbitrary code execution or application crash, compromising system confidentiality, integrity, and availability.
Recommendation
Update xine to a version later than 0.99.2 and MPlayer to a version with this vulnerability fixed, or apply a patch from the vendor.
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Original NVD description (English source)
The pnm_get_chunk function in xine 0.99.2 and earlier, and other packages such as MPlayer that use the same code, does not properly verify that the chunk size is less than the PREAMBLE_SIZE, which causes a read operation with a negative length that leads to a buffer overflow via (1) RMF_TAG, (2) DATA_TAG, (3) PROP_TAG, (4) MDPR_TAG, and (5) CONT_TAG values, a different vulnerability than CVE-2004-1187.